> I just don’t get what prevents the history to repeat itself if it lifts off. One of two things: 1. Nothing. They're trying to solve a social problem using t

> I just don’t get what prevents the history to repeat itself if it lifts off. One of two things: 1. Nothing. They're trying to solve a social problem using technical methods. 2. The current UI ensures it never takes off. It remains a geek preserve, VC-oriented geeks need not apply.