What if prehistoric creatures were online?

Are a T. rex's arms long enough to take a selfie? What did a Wooly Mammoth look like in his Throwback Thursday photo? And would a Saber-Toothed Cat follow a Velociraptor? What if prehistoric creatures were online?

From where they lived to what they ate, learn what scientists have discovered about these incredible beings, and find out what they're saying to each other! Follow the dinosaurs.