Google's I/O keynote is still ongoing, and the company just unveiled a major new service: Hangouts. Originally rumored to be called 'Babel,' Hangouts is a cross-platform messaging system that will take the place of Google Talk, Google+ Messenger, Google+ Hangout video chat, and pretty much everything else.
It's basically a messaging app, in the same vein as WhatsApp or Kik, offering synchronized chat across virtually all of your devices. Google has mixed in a lot of its own personal flavor though, building in the ability for users to go back through their chat history, delete messages, and even grab files from past conversations...