Breaking Tweets' Twitter account @breakingtweets was among those hacked, but it is now back to normal after Twitter reset its password.
Tweets from around the world show the geographic span of the attack, with those affected from South Africa to Japan. Many users deleted tweets surrounding it, but here's some pertaining to the attack:
erpe (Berlin, Germany) i think i know now how this stalkdaily works. xss code injection which allows user sessions to be hijacked. theladyisugly (Brasilia, Brazil) So, people are being re-infected. It's probably best to stay away from Twitter.com. #stalkdaily
@JoLoPe sent Breaking Tweets this site that helps affected users clean up their account: http://kodespark.tumblr.com/post/95149076/the-stalkdaily-worm-on-twitter