How to solve the 4x4 Rubik's Cube Revenge centers

The Rubik's Cube has been around for nearly forty years now, mystifying and baffling the best of us with its intrinsic perplexity, but eventually you're going to have to learn how to solve the magic puzzle by master inventor and professor Erno Rubik. With this two-part video tutorial, you'll learn specifically how to solve the 4x4 Rubik's Cube Revenge centers, otherwise known as just the Rubiks Revenge, or just the 4x4 Rubik's Cube. With a little notation knowledge and a few algorithms, you'll get it in no time. Happy cubing!