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Three delightful, if not exactly world changing innovations.

First up, smiley face screws (complete with their own screwdriver) from Japanese designer Studio Yumakano.

All about it here.

Next, a guidelight that replaces regular power outlet cover plates, turns on/off automatically during night/daylight and costs 10c:

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More here.

And lastly, a quite humorous little-door-inside-a-normal-door for the children or otherwise small people in your family:

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More here.

Thanks to inewidea.com for these.

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