That’s the difference: http://channel9.msdn.com – Watch all PDC sessions for free. http://developer.apple.com/products/video/wwdc08/index.html – Pay $999 for session videos.
Here's a link to a quite interesting study, you might be interested in. It actually presents a study of anonymized data capturing a month of high-level communication activities within the whole of the Microsoft Messenger instant-messaging system. Quite...
Alex , Mario , Horst and Christian are organizing the so called “Academic Community Launch 2008″ in Austria . The community launch is free for students and interested people (free as you don’t have to pay any entry fee and you get something...