Research In Motion released version 2.0 of the PlayBook operating system. Two of the five new features are:

“Integrated email client with a powerful unified inbox: With BlackBerry PlayBook OS 2.0 you have the option to use a unified inbox that consolidates all messages in one place, including messages from Facebook®, LinkedIn® and Twitter®, as well as personal and work email accounts.

Social Integration with Calendar and Contacts apps: The built-in calendar harnesses information from social networks and makes it available where and when users need it. Contact cards are also dynamically populated with updated information from Facebook, Twitter, and LinkedIn to create a consolidated view of contacts.“

I’ll have to get my PlayBook updated.

Read more: RIM Pressroom