Google's latest Chrome experiment is a marble maze game that binds your smartphone to your PC through those shareable tabs. Once you've opened the same tab on both platforms, you'll be put in control of a metallic Nexus Q lookalike, steered by the accelerometers baked into your smartphone -- as well as power and jump buttons. Better still, there's (arguably) an infinite number of levels to tackle, with the experiment transforming your favorite sites into a multi-stage mazes. You'll need a phone that's running at least iOS 5.0 or Android 4.0 to make the connection. Take it for a cautious spin at the link below.