With so many people on twitter lately, who should you follow and who's following you? FriendorFollow fills you in.

Some people just love rejection. Now you can too. Qwitter emails you every time someone on your twitter list stops following you along with a copy of that post of yours that lead to the ultimate break-up.

With so many people and organizations using twitter, who should you follow? Twellow helps you search by niche so you get all of the information—and followers—you need.

Get Inspired. Check out "100 designers you should follow on Twitter:"

Get Inspired. Check out “100 designers you should follow on Twitter:”

Curious about Coca-Cola, Google or even Finn Digital? Now you can stay in the loop on company developments through your LinkedIn profile with the new “company follow” feature.

Interested in "losing" one of your Twitter followers? Simply "block" and then "unblock" them. You'll still show as someone they're following, but they won't be able to see your tweets.

Now anyone with a mobile phone in the U.S. can use SMS messaging to follow a Twitter user's content, even without having an account of their own.