Traffikd has a post with 5 Reasons I No Longer Hate Twitter.
@cmusciano has posted Twitter Is Like… where he cleverly compares Twitter to an old communication technology.
TwiTip has a great post about The 90-10 Rule for Successful Twitter Networking. The working formula is 90% Helpful Stuff (Giving) and 10% for You (Giving and Taking).
Zappos CEO posts about How Twitter Can Make You A Better (and Happier) Person.
More links:
Despite The Hype, Twitter Isn’t A Mainstream Social Marketing Tool
Twitter is Peaking
14 Twitter directories to find new friends