MyTweet16 is a simple, yet interesting site. Plug in a username and see that persons first 16 tweets they ever sent. I know mine started with the simple question of what the heck Twitter was and then finding a RSS feed.
Filed under: Add-on Tools , MyTweet16
[...] first Twitter message was number (via MyTweet16): 5,545,173 My current message identifier was : [...]