Say Cheese! No, you're not taking a photo. You're looking in the mirror.
An inventor has designed a new high tech mirror that only reveals your reflection when you are smiling. The mirror essentially snaps a photo and then uses a facial recognition feature to determine whether or not you are smiling. The device will launch soon on Kickstarter.
But while it sounds like the invention serves a purpose for vanity, it came about for an altruistic purpose.
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