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I always wonder why boring, borderline useless, overpriced and recycled ideas like various growth hacks, random side projects, icons, css frameworks, micro SaaSes, electron apps, et cetera get way more traction on PH than true gems like this one. I truly don't get it. Maybe this lacks unicorns and rainbows? Who knows. Anyway, I find this to be an exciting service. At least from a UX...

Wouldn't it be possible to use a virtual webcam to replay a recording of someone's facial movements to gain access to their account? Seems fairly doable, no?

I really like this concept, but there is no setting to toggle between imperial and metric units (Fahrenheit is completely worthless to non-US people).