In early April, Adam Wilson posted a status update on the social networking Web site Twitter -- just by thinking about it. 

Just 23 characters long, his message, "using EEG to send tweet," demonstrates a natural, manageable way in which "locked-in" patients can couple brain-computer interface technologies with modern communication tools.

Ray Kurzweil's latest graphs show that technology's breakneck advances will only accelerate -- recession or not. He unveils his new project, Singularity University, to study oncoming tech and guide it to benefit humanity.

Ray Kurzweil is an engineer who has radically advanced the fields of speech, text, and audio technology. He's also one of our finest thinkers, revered for his dizzying -- yet convincing --… Full bio and more links