Twitter

Twitter:

The Twitter Guidebook

marketmetweets on Twitter

9 Ways to Find Twitter Users in Your Town

How to write re-tweetable tweets in 5 minutes or less

Twitter Chat

Group Tweet

Mass Unfollow

refollow Bulk unfollow tool (WARNING: do not unfollow more that 100 in a day)

justunfollow.com (you are limited to 50 unfollows in 24 hours)

Automatically tweet your and any other blog vis RSS

Twitter Feed

Twitter Lists

How to be added to 100s of Twitter Lists in days

Listorious: A List directory

How To Use Twitter Lists to Accelerate Your Twitter Influence