XPod Active Sound Speakers
Dismal portable speakers just got a bit sexier.
XPod is genuinely pocket-tiny and even has two piezo buzzers for stereo awful sound. An integrated 770mW amp is powered by a battery, itself juiced-up via USB, though there's no obvious indication of how long you'll get on a charge. That's an immaterial complaint, however, as a more immediate problem presents itself: they are available only in Korea.
Surely SkyMall or Hammacher Schlemmer can do something about that.

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I'm mostly impressed that they're coin-operated.
If I really want to share a song in meatspace my cell dose quite fine (and I might even send over bluetooth! Omg real life limewire!)