Twellow, a service of WebProNews, is a great service for finding people who matter to your business or industry, by category. You can search keywords or browser through common categories to find the voices you deem as worthy following and/or connecting with on Twitter or other social networks. You can also claim your Twitter ID to further customize your individual profile with a short bio, extended bio, links to other profiles popular social networks such Facebook, LinkedIn, Delicious, and Flickr. ♦♦♦♦♦