I don't know if you noticed it when you opened your Gmail account this morning, but the little BETA tag on the Gmail logo is already gone!
That's right! Gmail is Beta no more! (which goes the same for other Google apps like Docs, Calendar, and Talk) And it's already up at Wikipedia:
Gmail was launched as an invitation-only beta release on April 1, 2004 and it became available to the general public on February 7, 2007. Over 100 million users have opened Gmail accounts. The service was upgraded from beta status on July 7, 2009, along with the rest of the Google Apps suite.