If you’re addicted to your PlayBook and a certain social network, listen up. Research In Motion has announced a new Facebook application for its 7-inch, QNX-based tablet due out in “May.” The new app will allow users to view and add friends and photos, utilize Facebook’s chat feature, and interact with the News Feed. “There are over 30 million users of our Facebook for BlackBerry smartphones app who are staying in touch with their social network while on the go,” said Tom G...