No, I don't recall the exact date I first signed into Twitter. I typed my username into whendidyoujointwitter.com, and it let me know when I created my account.
Enter a username to view their first 16 tweets. I'm very embarrassed by my first tweets.
Type in a Twitter username to see their most popular tweets.
See the most popular links that have been mentioned by those you follow on Twitter.
Compare the frequency of words or phrases mentioned on Twitter.
Add a bunch of tweets into Buffer and it will share them for you throughout the day.
Type in a hashtag or other Twitter search and the results are presented fullscreen and animated. This is great for displaying tweets during an event.
Enter a Twitter username into sleepingtime.org, and it will determine the user's approximate sleeping schedule based on when he or she is least active on Twitter. It's actually pretty accurate for my sleeping time.
Thanks to everyone who follows me and an even bigger thank you to those I follow! I cannot begin to tell you how much I've learned from Twitter over the years.