Tumblr Overtakes Instagram As Fastest-Growing Social Platform

By: Ingrid Lunden | Tech Crunch

With 1.35 billion active monthly users, Facebook continues to be the world’s largest social network by some margin, but  when it comes to picking up new users, it appears to have reached a saturation point. Research out today from the Global Web Index notes that Tumblr’s active user base in the last six months grew by 120%, while Facebook’s grew by only 2%.