Set it near a speaker or plug it into headphones jacks, and the I-Dog Interactive Music Companion will move--and groove--to any song it hears.

FORBES: RoboToys

Since launching in December with Rdio, interactive mapping has become one of the most popular SoundHound features as users can tap on a SoundHound'ed song displayed on the map and link directly to Rdio to hear the full track.

ENGADGET: SoundHound now scavenging tunes in more tablet-friendly Android version