Cast for two

Thursday, August 14, 2008

An anthropological introduction to YouTube

presented by Michael Wesch at the Library of Congress, June 23rd 2008. He decided to forgo the PowerPoint and instead worked with students to prepare over 40 minutes of video for the 55 minute presentation. This is the result:

An anthropological introduction to YouTube
I already builded the insight that it's not technology that shapes the future. More important is what people do or don't do with it. It is basically the message of Clay Shirky's book "Here comes everybody". Still I found the video of Michael Wesch presentation more insightfull if you're interested in media as cultural and social phenomenon.

More info:

Tuesday, August 12, 2008

QR codes for mobile tagging

A "Quick Response" or QR code is an image that can be decoded into an text. It's like a two-dimensional barcode. Here's an example:
Scanning this picture resolves into the URL of this blog: .

This kind of pictures are typically used for tagging. Add the QR code picture to a thing, take a picture of the thing, decode the picture on the thing and there's the text. For example, a link to a website with product information.
You can make your QR code yourself here :

Using the Google Chart API, you can also generate QR codes. The URL;cht=qr&alt;chl=Hello|World

generates a QR code for "Hello World":
QR code of Hello World

Changing the parameter chl to the URL of this blog:;cht=qr&alt;chl=

QR code for URL of Cast42 blog

Every BBC programme has also an QR code. Just add /qrcode to the URL.
For example, the URL of the Top Gear programme is:
Adding /qrcode gives:

which render to:
BBC - Programmes - QRcode

There are several free applications on the iphone that can decode QR codes:

Several other mobile phones have such application to.

The BBC has even succeeded in tampering the QR code for the URL such that the BBC text is clearly readable:
QR code for

Monday, August 11, 2008

Eric Schmidt at the Management Lab Summit

The ceo of Google, Eric Smidt, was announced to speak at a management summit on May 29, 2008. But instead of speaking he just opens the floor for questions. If you're interested in innovation, this "converstation" is a must see.

Video: Eric Schmidt at the Management Lab Summit

Saturday, August 09, 2008


Nice short movie: