Tnhe Suggested Users page is probably the most controversial element of Twitter. Think of it as an exclusive club where an entry can help you gain thousands of new followers on Twitter in a single day.
Sixth Sense is a wearable computer from MIT that has Microsoft Surface table like features but can be used on any physical surface. The Sixth Sense computer costs only $350 to build and any application, now on your computer or mobile phone, can be used in Sixth Sense.
HD Screencasts on a budget: If you are looking to record high definition HD quality screencast videos for YouTube without spending a penny, check out ScreenToaster - a free web based screencasting application available on Windows, Mac and Linux.