Many businesses have probably been wondering just how much Twitter's Promoted Tweets could help them if they were given the chance to participate. Promoted Tweets is still in beta, and is still limited to a set of partners. One of those partners, Zecco , has been talking about the success it has had with the program. Zecco's Michael Feser reached out to WebProNews to tell us about his company's experience with this advertising channel. "Over the past two months,