So maybe that $1 billion it cost Facebook to buy Instagram was a bargain after all.
The photo-sharing app is on fire. It now has more than 50 million users — and is adding new ones at the rate of roughly 5 million per week, according to its API.
Instagram hit 40 million users around April 13, and 30 million at the start of the month (no April Fooling). This is astonishing growth for an app that started 2012 with just 15 million users.
Read the rest at Instagram Passes 50 Million Users, Adds 5 Million a Week.
