Saw this on Indiegogo and really like the idea here. Noise pollution, even in our own homes, is a problem we've not made much progress with yet. This solution promises a lot, directional sounds that mean you can have personal listening without needing headphones. Seems to work according to the reviews too. Impressive stuff:
"The « A » speaker is one of those fabulous creations that your brain tells you is completely impossible, even while you’re listening to it. (...) When the speaker isn’t aimed directly at you, you don’t hear it at all." – Stuff
