Happy Fifth Birthday Twitter, Congrats On Your 600K New Users Who Signed Up... Yesterday

Although Twitter’s technical “birth” was five years ago in March, Twitter opened its doors to the public exactly five years ago today. And to commemorate their baby coming into the world, the folks at Twitter are tweeting some pretty cool milestones.

In March, we wrote about five milestones that Twitter had reached over the past five years. But Twitter itself is celebrating today’s milestone with some other cool facts.