Good technology companies address problems we didn't know we had. With the $49.99 K480 Bluetooth Multi-Device Keyboard, Logitech made picking up your mobile devices while you work on your computer seem like a problem, and it fixes it quite well. Okay, that's not really a pressing issue.
Connects with most major platforms; Switches between multiple devices extremely well; Comfortable keyboard; Inexpensive
Not compatible with Windows Phone OS; Not compact or light enough to be used as a portable tablet keyboard; Doesn't have all the usual keys you find on a full-size keyboard