Looks like a phishing scam. Best thing you can do is help out friends if you get one of these Twitter direct messages and let them know their password is very likely compromised

You have a new direct message:

This entry was posted on Wednesday, October 14th, 2009 at 3:01 pm and is filed under Internet. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.