BLUG: May 2008

Wednesday, May 28, 2008

Re: [BLUG] Asterisk/VoIP presentation

Something to check out that I found out about. The FWDout project is
similar to what you were suggesting. But the liability is huge. Now
that I think about it, I wouldn't want to allow anyone to make random
calls from my phone. If they harrass someone, I'd be responsible and it
would probably be difficult to track them down.

http://www.fwdout.com/web/

Mark

On Wed, May 28, 2008 at 11:35:23AM GMT, ben lipkowitz [fenn@sdf.lonestar.org] said the following:
> On Wed, 28 May 2008, Mark Krenz wrote:
>
> >But I think you mean making a SIP connection from another city to your
> >asterisk server and then to eliminate the toll there. Both are possible
> >and I'll explain how all that works at the presentation.
>
> yes and also calling locally to initiate an SIP call
>
> >>lots of people have cellphones but for some reason or another are required
> >>to have a land line, which then goes unused.
> >
> > I'm curious about this. Why would you need to have a landline? Do
> >certain businesses require it now or something? Back in 1999, I moved
> >into an apartment and tried going without a landline and just using my
> >cellphone and wireless internet. I don't remember running into any
> >trouble like needing a landline.
>
> For me personally (although I dont have a cellphone either) SBC requires
> you to have plain telephone service in order to provide DSL service, and
> it's been working well so I dont want to switch to cable. Some other
> reasons I've seen: home security systems that use a modem, and the fact
> that cellphones are not reliable in an emergency.
>
>
> _______________________________________________
> BLUG mailing list
> BLUG@linuxfan.com
> http://mailman.cs.indiana.edu/mailman/listinfo/blug
>

--
Mark Krenz
Bloomington Linux Users Group
http://www.bloomingtonlinux.org/
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Re: [BLUG] Asterisk/VoIP presentation

On Wed, 28 May 2008, Mark Krenz wrote:

> But I think you mean making a SIP connection from another city to your
> asterisk server and then to eliminate the toll there. Both are possible
> and I'll explain how all that works at the presentation.

yes and also calling locally to initiate an SIP call

>> lots of people have cellphones but for some reason or another are required
>> to have a land line, which then goes unused.
>
> I'm curious about this. Why would you need to have a landline? Do
> certain businesses require it now or something? Back in 1999, I moved
> into an apartment and tried going without a landline and just using my
> cellphone and wireless internet. I don't remember running into any
> trouble like needing a landline.

For me personally (although I dont have a cellphone either) SBC requires
you to have plain telephone service in order to provide DSL service, and
it's been working well so I dont want to switch to cable. Some other
reasons I've seen: home security systems that use a modem, and the fact
that cellphones are not reliable in an emergency.

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Tuesday, May 27, 2008

Re: [BLUG] Asterisk/VoIP presentation

On Tue, May 27, 2008 at 07:39:46AM GMT, ben lipkowitz [fenn@sdf.lonestar.org] said the following:
>
> the idea was to plug the phone line into a modem card and route the audio
> through an SIP call, thus allowing anyone to call our house and use the
> free long distance.

Well, I hope you don't mean call your house and then make a long
distance call using your phone line so that you pay the toll. I'll
explain how to configure a dialplan to avoid that and that's probably
the first thing everyone needs to learn before running an Asterisk
server. But I think you mean making a SIP connection from another city
to your asterisk server and then to eliminate the toll there. Both are
possible and I'll explain how all that works at the presentation.

> lots of people have cellphones but for some reason or another are required
> to have a land line, which then goes unused.

I'm curious about this. Why would you need to have a landline? Do
certain businesses require it now or something? Back in 1999, I moved
into an apartment and tried going without a landline and just using my
cellphone and wireless internet. I don't remember running into any
trouble like needing a landline.

> this unused telephone
> infrastructure could be put to work as a community resource to provide an
> 'internet phone gateway' for local POTS telephones, or in reverse to allow
> skype/SIP calls to local phones. the software to do this could be
> distributed for free on a custom linux live-CD, only requirements being an
> internet connection and an unused computer with a modem.

That's an interesting idea. One thing that you can do (but I haven't
done yet) is connect Asterisk servers together using the IAX protocol.
Its usually used for redundancy in the same office, but I wonder if its
possible to pool POTS lines together from different locations
transparently. I guess you could theoretically make your own PSTN,
which is basically what the phone companies connect to each other over.
But you'd have to be willing to give up use of your phone line and some
internet bandwidth.

> i'm sure there are a couple terms of service being violated somewhere.

I don't think so, but it depends on the phone company I guess.

Re: [BLUG] Asterisk/VoIP presentation

On Tue, 27 May 2008, Mark Krenz wrote:

> On Tue, May 27, 2008 at 01:22:13AM GMT, ben lipkowitz [fenn@sdf.lonestar.org] said the following:
>> i was interested in asterisk for making an answering machine that would
>> record to sound files in your home folder, but the configuration docs
>> always made my eyes glaze over.. also wanted to try a SIP-to-POTS bridge.
>
> Great. I can definately show how that's done. What do you mean
> however by a SIP-to-POTS bridge? Do you mean using an FXO/FXS card to
> hook up an Asterisk server to a POTS line or do you mean something more
> specific?

the idea was to plug the phone line into a modem card and route the audio
through an SIP call, thus allowing anyone to call our house and use the
free long distance.

lots of people have cellphones but for some reason or another are required
to have a land line, which then goes unused. this unused telephone
infrastructure could be put to work as a community resource to provide an
'internet phone gateway' for local POTS telephones, or in reverse to allow
skype/SIP calls to local phones. the software to do this could be
distributed for free on a custom linux live-CD, only requirements being an
internet connection and an unused computer with a modem.

combine this with an ad-hoc rooftop mesh wifi net and you have ...
something. info-anarchy!

i'm sure there are a couple terms of service being violated somewhere.

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Monday, May 26, 2008

Re: [BLUG] Asterisk/VoIP presentation

On Tue, May 27, 2008 at 01:22:13AM GMT, ben lipkowitz [fenn@sdf.lonestar.org] said the following:
> i was interested in asterisk for making an answering machine that would
> record to sound files in your home folder, but the configuration docs
> always made my eyes glaze over.. also wanted to try a SIP-to-POTS bridge.

Great. I can definately show how that's done. What do you mean
however by a SIP-to-POTS bridge? Do you mean using an FXO/FXS card to
hook up an Asterisk server to a POTS line or do you mean something more
specific?

Mark

Re: [BLUG] Asterisk/VoIP presentation

i was interested in asterisk for making an answering machine that would
record to sound files in your home folder, but the configuration docs
always made my eyes glaze over.. also wanted to try a SIP-to-POTS bridge.

so, i'll try to be there.

-ben

On Thu, 22 May 2008, Dave Cooley wrote:
>
> That sounds like a great idea, Mark. I think the June meeting will be an
> informal get-together at a restaurant anyway, so July sounds perfect.
>
> I've done some work with Asterisk too (though just as a SIP-phone VOIP
> system, not connected to POTS) and I find it very, very interesting.
>
> I'm putting together a presentation on Zimbra, myself. Probably do that at
> the end of the summer.
>
> Dave Cooley
> dcooley@kiva.net
>
>
>
> Mark Krenz wrote:
>> I'd be interested in doing a presentation on the Asterisk open source
>> PBX server. Is July open? June is a little too soon for me. I don't
>> want to bother with it if nobody is interested though, so if you could
>> let me know if you are interested in such a presentation, let me know.
>> I promise to make it interesting and somewhat interactive. I've
>> learned quite a bit about Asterisk over the past few weeks while setting
>> up a new VoIP phone system for Suso's offices. Provided that the
>> library allows it, I should be able to bring an IP phone to the
>> presentation and make calls through the internet to the Asterisk server
>> in our office and stuff like that. I think it will even be interesting
>> to those who don't know anything about VoIP.
>>
>>
> _______________________________________________
> BLUG mailing list
> BLUG@linuxfan.com
> http://mailman.cs.indiana.edu/mailman/listinfo/blug
>

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Thursday, May 22, 2008

Re: [BLUG] Asterisk/VoIP presentation

That sounds like a great idea, Mark. I think the June meeting will be
an informal get-together at a restaurant anyway, so July sounds perfect.

I've done some work with Asterisk too (though just as a SIP-phone VOIP
system, not connected to POTS) and I find it very, very interesting.

I'm putting together a presentation on Zimbra, myself. Probably do that
at the end of the summer.

Dave Cooley
dcooley@kiva.net

Mark Krenz wrote:
> I'd be interested in doing a presentation on the Asterisk open source
> PBX server. Is July open? June is a little too soon for me. I don't
> want to bother with it if nobody is interested though, so if you could
> let me know if you are interested in such a presentation, let me know.
>
> I promise to make it interesting and somewhat interactive. I've
> learned quite a bit about Asterisk over the past few weeks while setting
> up a new VoIP phone system for Suso's offices. Provided that the
> library allows it, I should be able to bring an IP phone to the
> presentation and make calls through the internet to the Asterisk server
> in our office and stuff like that. I think it will even be interesting
> to those who don't know anything about VoIP.
>
>
_______________________________________________
BLUG mailing list
BLUG@linuxfan.com
http://mailman.cs.indiana.edu/mailman/listinfo/blug

Wednesday, May 21, 2008

[BLUG] Asterisk/VoIP presentation

I'd be interested in doing a presentation on the Asterisk open source
PBX server. Is July open? June is a little too soon for me. I don't
want to bother with it if nobody is interested though, so if you could
let me know if you are interested in such a presentation, let me know.

I promise to make it interesting and somewhat interactive. I've
learned quite a bit about Asterisk over the past few weeks while setting
up a new VoIP phone system for Suso's offices. Provided that the
library allows it, I should be able to bring an IP phone to the
presentation and make calls through the internet to the Asterisk server
in our office and stuff like that. I think it will even be interesting
to those who don't know anything about VoIP.

Tuesday, May 13, 2008

[BLUG] I am at the library now and we don't have the room for tonight.

I will be a Nick's wih a maroon and cream hoosier jacket (I know, I know, too much bling...what is wrong with red and white :) I will check back at about 7 or so.

bob

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Today's Topics:

1. Re: Any update on the next meeting? (Dave Cooley)
2. Re: Supermemo (Sim?n Ruiz)
3. powertop (Lord Drachenblut)
4. Re: powertop (Abhishek K)
5. BLUG Meeting, Tues May 13 (Dave Cooley)
6. Re: BLUG Meeting, Tues May 13 (Matt Zink)
7. Re: BLUG Meeting, Tues May 13 (Lord Drachenblut)
8. Re: BLUG Meeting, Tues May 13 (Steven Black)

----------------------------------------------------------------------

Message: 1
Date: Tue, 29 Apr 2008 17:56:12 -0400
From: Dave Cooley
Subject: Re: [BLUG] Any update on the next meeting?
To: Bloomington LINUX Users Group
Message-ID: <4817997C.3050106@kiva.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

I reserved room 1B at the MoCo Library (and I can bring a projector, no
problem). Come to think of it, I haven't received conformation from
them. I'll check tomorrow.

Cooley

Dave Cooley
dcooley@kiva.net

Bob Piercy wrote:
> Hello all,
>
> My wife said it was ok to have it at Fajitas, but I will need to know
> soon. We won't have internet access there (still working on that),
> but we do have food (no beer yet, working on that too). I don't
> really need internet for this demo, but a projector would be nice.
>
> Here is a google map, it is kind of off the beaten path:
>
> http://maps.google.com/maps?f=q&hl=en&geocode=&q=fajitas&sll=39.124885,-86.527358&sspn=0.012235,0.025513&ie=UTF8&ll=39.165505,-86.562223&spn=0.024456,0.051026&z=15
>
>
> Let me know,
>
> Bob Piercy
> _______________________________________________
> BLUG mailing list
> BLUG@linuxfan.com
> http://mailman.cs.indiana.edu/mailman/listinfo/blug

------------------------------

Message: 2
Date: Mon, 05 May 2008 15:02:09 -0400
From: Sim?n Ruiz
Subject: Re: [BLUG] Supermemo
To: Bloomington LINUX Users Group
Message-ID: <481F59B1.8030105@gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Hey, thanks for the link.

I've started playing around with Mnemosyne to beat some simple facts
into my head.

So far so good. I've knocked some cobwebs out surrounding my Japanese
reading skills, and reinforced my knowledge of where all the U.S. States
are.

Simón

Ben Shewmaker wrote:
> I found this article in Wired very fascinating:
> http://www.wired.com/medtech/health/magazine/16-05/ff_wozniak#
>
> The software featured, Supermemo looks really interesting, but I found
> an open source project that looks to be along the same lines if anyone
> is interested: http://www.mnemosyne-proj.org/ And was also wondering
> if anyone has tried any of these types of programs?
>
> Ben

------------------------------

Message: 3
Date: Mon, 5 May 2008 23:39:57 -0400
From: Lord Drachenblut
Subject: [BLUG] powertop
To: Bloomington LINUX Users Group
Message-ID: <200805052340.10426.lord.drachenblut@gmail.com>
Content-Type: text/plain; charset="us-ascii"

Was curious if anyone had tried out powertop on a laptop and if you had seen
any improvements in battery life?
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Message: 4
Date: Mon, 5 May 2008 23:49:42 -0400
From: "Abhishek K"
Subject: Re: [BLUG] powertop
To: "Bloomington LINUX Users Group"
Message-ID:
<223eadbc0805052049x1b39a72em21c0810f74b124d7@mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

Yes! I have been using powertop since quite a bit now. My machine is a Dell
Vostro 1400 running Hardy and it does seem to make a certain difference in
the battery life.
I have the powertop recommendations in a startup script which is rather
nifty than executing them each time by running PowerTop.

If you have a Nvidia card (which takes a significant share for
processor-wakeups) you could also take a look at these tips -
http://www.smop.co.uk/mediawiki/index.php/Power_saving_on_Linux

Cheers,
-ab

On Mon, May 5, 2008 at 11:39 PM, Lord Drachenblut <
lord.drachenblut@gmail.com> wrote:

> Was curious if anyone had tried out powertop on a laptop and if you had
> seen
> any improvements in battery life?
>
> _______________________________________________
> BLUG mailing list
> BLUG@linuxfan.com
> http://mailman.cs.indiana.edu/mailman/listinfo/blug
>
>
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------------------------------

Message: 5
Date: Sun, 11 May 2008 21:46:06 -0400
From: Dave Cooley
Subject: [BLUG] BLUG Meeting, Tues May 13
To: Bloomington LINUX Users Group
Message-ID: <4827A15E.80002@kiva.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

All-

Sorry for the late notice on this, I've had trouble (probably because of
my newbosity) getting the Library to confirm that I actually have the
meeting room reserved.

Anyway, we have (I think) meeting room 1B at the Monroe County Public
Library reserved for this coming Tuesday (May 13) at 7:00pm. I believe
we're scheduled to hear a presentation on some music software (I can't
remember the name, it's been a long weekend) from Bob Piercy (Bob- I'll
bring a projector, if you need one).

I'll also plan to (informally) discuss Ubuntu 8.04 LTS (Hardy Heron)
with any and all interested. Bring your issues, maybe somebody will be
able to help!

Next month (June) we'll hold another informal meet-n-greet at a local
restaurant.

Have a happy Monday, and I'll hope to see you Tuesday evening.
Cooley

--
Dave Cooley
dcooley@kiva.net

------------------------------

Message: 6
Date: Sun, 11 May 2008 22:08:35 -0400
From: "Matt Zink"
Subject: Re: [BLUG] BLUG Meeting, Tues May 13
To: "Bloomington LINUX Users Group"
Message-ID:

Content-Type: text/plain; charset="iso-8859-1"

>
> Hello All:

I very much wanted to attend this meeting as the topic is of
particular interest to me (though I think I would've enjoyed virtually all
of them). It doesn't look like, however, I'll be able to attend
(again!). I wonder if it would be possible to get this taped so that it can
be viewed later? Or a screencast with some sort of voice over? I
realize this might be too much of a pain, and that's okay. But I figured
I'd ask.
Have fun at the meeting - sounds like it's going to be a real cool one!
Matt
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Message: 7
Date: Mon, 12 May 2008 19:20:42 -0400
From: Lord Drachenblut
Subject: Re: [BLUG] BLUG Meeting, Tues May 13
To: Bloomington LINUX Users Group
Message-ID: <200805121920.49881.lord.drachenblut@gmail.com>
Content-Type: text/plain; charset="utf-8"

On Sunday 11 May 2008 10:08:35 pm Matt Zink wrote:
> > Hello All:
>
> I very much wanted to attend this meeting as the topic is of
> particular interest to me (though I think I would've enjoyed virtually all
> of them). It doesn't look like, however, I'll be able to attend
> (again!). I wonder if it would be possible to get this taped so that it
> can be viewed later? Or a screencast with some sort of voice over? I
> realize this might be too much of a pain, and that's okay. But I figured
> I'd ask.
> Have fun at the meeting - sounds like it's going to be a real cool one!
> Matt

This reminds me of that a few lugs that do podcast there meetings and it would
be cool to see if BLUG could podcast there meetings as well.

Cheers
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------------------------------

Message: 8
Date: Tue, 13 May 2008 09:40:59 -0400
From: Steven Black
Subject: Re: [BLUG] BLUG Meeting, Tues May 13
To: Bloomington LINUX Users Group
Message-ID: <20080513134059.GA27650@blacks-mango.uits.indiana.edu>
Content-Type: text/plain; charset=us-ascii

On Mon, May 12, 2008 at 07:20:42PM -0400, Lord Drachenblut wrote:
> This reminds me of that a few lugs that do podcast there meetings and it would
> be cool to see if BLUG could podcast there meetings as well.

I've heard that some of the places that have podcasted meetings apparently
suffered from it. Once the meetings would be online, attendance dropped
steadily. Then, once attendance got low enough the presentations themselves
grew steadily poorer until it all just, well, sucked.

Cheers,
Steven Black

------------------------------

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End of BLUG Digest, Vol 3, Issue 1
**********************************

[BLUG] meeting tonight

Hi,

I will be there. I have been sick lately, so I am not as prepared as I
would have liked, but I will do my best.

I will also update the wiki page (bloomingtonlinux.org) with some
information.

See you in awhile,

bob
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RE: [BLUG] BLUG Meeting, Tues May 13

>
> On Mon, May 12, 2008 at 07:20:42PM -0400, Lord Drachenblut wrote:
> > This reminds me of that a few lugs that do podcast there meetings and
> it would
> > be cool to see if BLUG could podcast there meetings as well.
>
> I've heard that some of the places that have podcasted meetings
> apparently
> suffered from it. Once the meetings would be online, attendance dropped
> steadily. Then, once attendance got low enough the presentations
> themselves
> grew steadily poorer until it all just, well, sucked.
>

I like the idea of the podcast. It would allow regular attendees lookup old questions, and cautious geeks feel out the club. It would also allow those of us that can't attend a chance to learn from the group.

The podcast could be delayed until a week before the next meeting. This way the information is still be available, but it would seem like an archive instead of a replacement. (Imagine the delay between Movie theater release and DVD release.) It's appearance would also act as a reminder that a meeting is just a week away.

It would also be nice to see meeting notes. That way those out of attendance could see what we are missing. Those in attendance could get links, config files, and all the trivial details that end up being critical.

Jeffery

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Re: [BLUG] BLUG Meeting, Tues May 13

On Mon, May 12, 2008 at 07:20:42PM -0400, Lord Drachenblut wrote:
> This reminds me of that a few lugs that do podcast there meetings and it would
> be cool to see if BLUG could podcast there meetings as well.

I've heard that some of the places that have podcasted meetings apparently
suffered from it. Once the meetings would be online, attendance dropped
steadily. Then, once attendance got low enough the presentations themselves
grew steadily poorer until it all just, well, sucked.

Cheers,
Steven Black

_______________________________________________
BLUG mailing list
BLUG@linuxfan.com
http://mailman.cs.indiana.edu/mailman/listinfo/blug

Monday, May 12, 2008

Re: [BLUG] BLUG Meeting, Tues May 13

On Sunday 11 May 2008 10:08:35 pm Matt Zink wrote:
> > Hello All:
>
> I very much wanted to attend this meeting as the topic is of
> particular interest to me (though I think I would've enjoyed virtually all
> of them). It doesn't look like, however, I'll be able to attend
> (again!). I wonder if it would be possible to get this taped so that it
> can be viewed later? Or a screencast with some sort of voice over? I
> realize this might be too much of a pain, and that's okay. But I figured
> I'd ask.
> Have fun at the meeting - sounds like it's going to be a real cool one!
> Matt

This reminds me of that a few lugs that do podcast there meetings and it would
be cool to see if BLUG could podcast there meetings as well.

Cheers

Sunday, May 11, 2008

Re: [BLUG] BLUG Meeting, Tues May 13

Hello All:

I very much wanted to attend this meeting as the topic is of particular interest to me (though I think I would've enjoyed virtually all of them). It doesn't look like, however, I'll be able to attend (again!). I wonder if it would be possible to get this taped so that it can be viewed later? Or a screencast with some sort of voice over? I realize this might be too much of a pain, and that's okay. But I figured I'd ask.
Have fun at the meeting - sounds like it's going to be a real cool one!
Matt

[BLUG] BLUG Meeting, Tues May 13

All-

Sorry for the late notice on this, I've had trouble (probably because of
my newbosity) getting the Library to confirm that I actually have the
meeting room reserved.

Anyway, we have (I think) meeting room 1B at the Monroe County Public
Library reserved for this coming Tuesday (May 13) at 7:00pm. I believe
we're scheduled to hear a presentation on some music software (I can't
remember the name, it's been a long weekend) from Bob Piercy (Bob- I'll
bring a projector, if you need one).

I'll also plan to (informally) discuss Ubuntu 8.04 LTS (Hardy Heron)
with any and all interested. Bring your issues, maybe somebody will be
able to help!

Next month (June) we'll hold another informal meet-n-greet at a local
restaurant.

Have a happy Monday, and I'll hope to see you Tuesday evening.
Cooley

--
Dave Cooley
dcooley@kiva.net

_______________________________________________
BLUG mailing list
BLUG@linuxfan.com
http://mailman.cs.indiana.edu/mailman/listinfo/blug

Monday, May 5, 2008

Re: [BLUG] powertop

Yes! I have been using powertop since quite a bit now. My machine is a Dell Vostro 1400 running Hardy and it does seem to make a certain difference in the battery life.
I have the powertop recommendations in a startup script which is rather nifty than executing them each time by running PowerTop.

If you have a Nvidia card (which takes a significant share for processor-wakeups) you could also take a look at these tips -
http://www.smop.co.uk/mediawiki/index.php/Power_saving_on_Linux

Cheers,
-ab

On Mon, May 5, 2008 at 11:39 PM, Lord Drachenblut <lord.drachenblut@gmail.com> wrote:

Was curious if anyone had tried out powertop on a laptop and if you had seen
any improvements in battery life?

_______________________________________________
BLUG mailing list
BLUG@linuxfan.com
http://mailman.cs.indiana.edu/mailman/listinfo/blug

[BLUG] powertop

Was curious if anyone had tried out powertop on a laptop and if you had seen
any improvements in battery life?

Re: [BLUG] Supermemo

Hey, thanks for the link.

I've started playing around with Mnemosyne to beat some simple facts
into my head.

So far so good. I've knocked some cobwebs out surrounding my Japanese
reading skills, and reinforced my knowledge of where all the U.S. States
are.

Simón

Ben Shewmaker wrote:
> I found this article in Wired very fascinating:
> http://www.wired.com/medtech/health/magazine/16-05/ff_wozniak#
>
> The software featured, Supermemo looks really interesting, but I found
> an open source project that looks to be along the same lines if anyone
> is interested:

http://www.mnemosyne-proj.org/

And was also wondering
> if anyone has tried any of these types of programs?
>
> Ben
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