[netlemurde]

This is nothing new.

"... Brain activation for listening is cut in half if the person is trying to process visual input at the same time. A recent study at The British Institute of Psychiatry showed that checking your email while performing another creative task decreases your IQ in the moment 10 points. That is the equivalent of not sleeping for 36 hours—more than twice the impact of smoking marijuana..."

Taken from http://www.fourhourworkweek.com/blog/2008/05/25/the-multitas...