This is kinda a big deal. Twitter just announced that anyone can now advertise on their platform.
“Twitter on Tuesday opened up its advertising options for all U.S. users. The company had previously made advertising on the platform invite-only. Kevin Weil, Twitter’s senior director of product for revenue at Twitter, made the announcement at TechCrunch Disrupt in New York.”
Read the full article here: http://mashable.com/2013/04/30/twitter-advertising-open-to-all/