RIM has had to deal with a few big names leaving their BlackBerry apps behind, but it's managed to keep one on board in a big way for its forthcoming BlackBerry 10. The company's given us our first look at the new native Facebook app for BB10 at today's BlackBerry Jam Americas conference. What's more, it's also confirmed that BB10-specific LinkedIn, Twitter and Foursquare apps will also be available at launch. DevelopingGallery: Facebook on BlackBerry 10
