Read this article from BrandWeek

“Do you like to go on Facebook and Twitter all day? Do you excel at making online friends and writing pithy tweets and status updates? If so, there may be a job out there for you!

If more companies follow the lead of Pepsi, Ford, Dell and Toyota, then social media marketer will become a growing occupation as more companies hire full-timers to interact with consumers on their behalf via Facebook and Twitter. But the lack of ROI around social media, and the belief that such duties should be spread around rather than concentrated in one unit, may limit that growth. “