languagejoint

I've made a language exchange site where you can be matched with a partner instantly (you select your native language and the language you're learning, and it'll try to find a partner), then it uses speech recognition and translation API's from Google to recognize what you're saying and translate it into your partners language. The site is languagejoint.com and I'd like to get some feedback. It only works in Chrome now, and only on desktop PC's. This 42 second video shows how it works: