5 great Twitter Tools

TweenMic
an iPhone app that makes audio recordings or "Tweetcasts" and publishes them to Twitter.

repeets
Your Twitter retweet source

Friend or Follow
see who you are following that's not following you back!

Tweepular
Use this to increase your popularity on Twitter

Muck Rack
Tomorrow's news today.  Tweets from popular journalists.

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Google Profile

You can have some control over what appears when someone searches your name on Google. It's called Google Profiles: http://www.google.com/profiles

set it up and enter what you want!