Billed as the "easiest way to enjoy online video and music on your TV," Chromecast ($35) is Google's new inexpensive device-to-TV streaming solution, with features that overlap some of the Apple TV's. The small black dongle plugs directly in to an HDMI port -- an included extender may be necessary on some TVs -- and is powered by either a wall outlet, or a nearby USB port if the TV has one. After a simple setup process to add Chromecast to your Wi-Fi…
