Often rooted in a heightened level of expressed emotion, uncensored anger or frustration, the rant is accessible to anyone armed with a computer keyboard and an Internet connection. But what are Internet ranters really after? And does ranting bring them…

The theory that less choice can be more -- what psychologist Barry Schwartz called "The Paradox of Choice" -- is under attack as scientific hogwash. But the very fact that its potential weaknesses are making news, Schwartz argues, proves how…