Seventeen-year-old Kat Sanchez uses photos of a friend to create a fake Instagram account, but when one of her posts goes viral and exposes Kat's duplicity, her entire world--both real and pretend--comes crashing down around her.

"Frier reveals an inside, never-before-told, behind-the-scenes look at how Instagram defied the odds to become one of the most culturally defining apps of the decade"--