Screenshots: BlackBerry PlayBook OS 2.0 Summary: RIM's latest tablet operating system adds native email, an enhanced browser and support for some Android applications, among other features. Here's a tour of the new-look PlayBook OS. By Simon Bisson | February 22, 2012 -- 12:38 GMT (04:38 PST) Follow @sbisson Previous | Next Image 3 of 19 Messages lets you work with Facebook, Twitter and LinkedIn, as well as several email accounts. Topics: Mobile OS, Reviews, Software Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.