Ollie! The Twitterrific BirdCraig Hockenberry: “Work was proceeding at a very fast pace during the first week of January 2007. Beta releases were frequent and widely distributed. Fortunately, the folks at Twitter were using our app with it’s snazzy new bird icon. One of our beta testers was an API engineer named Blaine Cook who sent me the following email:”

The word “tweet” was suggested by a Twitter engineer, but not used by Twitter for a very long time. The word was first used in Twitterrific. What a groundbreaking Twitter client. So much so people still think Ollie is the official Twitter logo. Whoops.