160 users in three months, 200 million in 5 years

Twitter only had 160 users after three months but they were sending up to 1000 messages per day, or roughly 6 messages per person per day. Of course, the whole thing didn’t really start to catch on until March 2007 at SXSW. That’s when they started to get thousands of users.

160 users in three months, 200 million in 5 years