Why email is addictive (and what to do about it)

mindhacks.com — "Email is addictive because it is a variable-interval reinforcement schedule. Checking email is a behaviour that has variable interval reinforcement. Sometimes, but not everytime, the behaviour produces a reward. Everyone loves to get an email from a friend, or some good news, or even an amusing web link" i.e. rewards. Sep 26, 2006 View in Crawl 4