Roundup : TweetWheel, Twitter Blacklist, Twitt(url)y, TweetSpeech, Twitterfone
TweetWheel - find out which of your Twitter friends know each other
Twitter Blacklist - test a user name to see if they are a fake or Twitter spammer
Twitt(url)y - yet another site that tracks the most popular tweets that point to a URL, and you can also vote for items on this site.
TweetSpeech - a hack to listen to tweets, it adds an audio enclosure to your Twitter RSS feed (basically an audio version of a Twitter feed)…also see TweetSpeak.
Twitterfone - Send Tweets by dialing a local number and speaking your message to TwitterFone, it will convert speech to text and post to Twitter…also see TwitSay, Twittergram, Spinvox and Jott.
BONUS LINK
I previously posted on Twitterlocal, where you can get a stream of tweets from people around a location.
Now they have a new leaderboard feature on the sidebar which lists the top tweeters in that stream…they also have a top cities leaderboard list.
Check out top tweeters and a stream of tweets from people in Perth, Australia.













