These are my links for October 22nd through October 31st:

10 of the Best Social Media Tools for PR Professionals and Journalists – 10 of the Best Social Media Tools for PR Professionals and Journalists
My Creative Team Wiki / Media People Using Twitter – most complete list of media people using twitter
Where is Your Username registered [...]

These are my links for September 20th through October 9th:

Tweetmeme – 15:20 PM, October 9th, 2008 GB – less structured way to keep track of what links are buzzing on twitter categories links in to blog, image, video and audio posts
Twitscoop – Search twitter, see what’s hot right now – What’s hot on twitter [...]