It may surprise you to learn that back in July 2010, three months before the official public launch of the $1 billion photo-sharing app we're all come to know so well, the project then known simply as Codename uploaded it's first test photo photo—a happy-looking blonde dog and a *woman's right foot in Teva sandal.

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That's right. No grapefruit mimosas. No crimini mushroom quiche. No muesli. No setting sun.

Just a dog and flip flop, setting the stage for what would quickly become the world's largest and most diverse catalog of breakfast foods and sherbet-colored skies. [Instagram]

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*This, to me, indisputably resembles a female foot. But if you really want to debate this small fact, so be it.