Philips hue lights are already pretty cool. People can control these bulbs, which come in various colors and sizes, using a phone or tablet. That alone makes the product convenient and great for showing off. But at the end of the day, merely turning lights on and off with a mobile device and changing their colors ranks a 4, maybe 5, on the my-friend-is-a-wizard scale. To really impress people, give the Huey Android app a download, then sit guests down in front of a TV and blow their minds.

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