There was a recent article on LinkedIn that talked (anecdotally) about the same taxing on the brain for people that have limited time (http://www.linkedin.com/t

There was a recent article on LinkedIn that talked (anecdotally) about the same taxing on the brain for people that have limited time (http://www.linkedin.com/today/post/article/20130627224702-13780238-a-harvard-economist-s-surprisingly-simple-productivity-secret http://www.linkedin.com/today/post/article/20130627224702-13...)