Motorola has posted a new video online that teases a tablet introduction at CES 2011 while taking shots at the iPad and Samsung Galaxy Tab. The video, entitled “Tablet Evolution” and reposted by Laptop Magazine, is a CG walk through a corridor of tablets, ranging from an Egyptian Hieroglyphic tablet to the Rosetta Stone, with a somewhat tongue-in-cheek description for each. When the video swings to the iPad, the description says “It’s…