Twitter

This article not only covers the basics of retweeting, but also highlights some of the best web and mobile-based tools for retweeting and tracking RTs in real-time. If you’re a Twitter beginner, we hope you find it useful; if you’re a more advanced user, we hope you’ll share it with friends who are just starting out.

Some of us are starting to deal with what we recently dubbed “followholism.” You’ve followed so many people, it’s hard to keep up, and it’s probably time to do a little housekeeping. This article assembled a toolkit of 10 services that can help PR practitioners take control of Twitter and organize their followers.

Here's a blog with 12 tips on how to build a successful marketing campaign using Twitter.

some great ideas for twitter if you are starting up a business

Researchers from Britain, Korea, and Germany have determined that the amount of fresh information you get on Twitter is less a matter of what you follow than whom—and who follows you

Here some points on how to get more Twitter followers today!

Check out the 2011 list of the top celebs on Twitter.