(Thanks to Atid-EDI) Israeli start-up Lingua.ly helps you to learn a new language by indexing the Internet and feeding you appropriate texts based on your vocabulary. You take quizzes and via a Chrome plug-in Lingua.ly offers you a personalized educational service.
http://techcrunch.com/2013/08/13/lingua-ly-transforms-the-web-into-a-language-learning-opportunity/