Learning Languages with Duolingo

We recently were invited to give Duolingo - a new online language learning system - a try during their trial period before they're open to everyone (their official launch will be on June 19th, 2012). After using it for a while, here's what we think.

Duolingo first caught our attention because of its unique concept. The site's goal isn't just to teach people languages, but to crowdsource the translation of the Internet into as many languages as possible. By having language learners learn and p...