Editor's Note: Has Real Social Commerce Finally Arrived?

That is until this past February, when a Portland, Ore.-based company called SellSimp.ly rebranded itself to Chirpify and launched a Twitter commerce platform that allows brands and consumers to buy, sell, donate and transact through tweets without leaving Twitter. Chirpify has seen growing traction, thanks in part to a promotional campaign launched in March at SXSW called "Tweet-a-Beer," which used Chirpify's API to allow people to buy each other a pint over Twitter.