By Yohana Desta
Every year, Instagram users upload 21.9 billion photos to the visual social network.
Selfies, food porn, adorable animals — they all flood the favored photo app every second, and it would take multiple lifetimes just to double-tap them all. Kim Kardashian (the reigning queen of Instagram’s most-liked photo) would have to spend 286 million years just to post that many selfies.
Photo company …