Thanks to Lingvist, a startup from Estonia, you can use a mathematically-optimized approach to language acquisition that will have you learning a new language in around 200 hours. The first language on offer are French, which are now in private beta, and Spanish and English are currently in the works. The company plans on adding additional languages later this year. By using big data analysis, Lingvist aims to help people learn languages up to ten times faster than traditional teaching methods.