Corporate Tweeters are so hot right now:

Opportunities in corporate social media are popping up faster than cat videos on YouTube (GOOG). In addition to Petco, in the past few months, Sears Holdings (SHLD), Panasonic (PC), the Fifth Third Bank (FITB), the National Association of Homebuilders, Citigroup (C), Electronic Arts (ERTS), AT&T (T), Fiji Water, Godaddy.com, and the Ultimate Fighting Championship have all sought or hired social media experts. In Las Vegas, Harrah's Entertainment recently circulated a job listing for a "corporate social media rock star." In Chicago, Buick went looking for a handful of "social media ambassadors" to help manage Tweet to Drive, which allows customers to schedule test drives from home via Twitter. At the same time, traditional public relations and marketing powerhouses such as Ogilvy & Mather are bulking up their expertise to fend off social-media-focused startups.

Read the full story at BusinessWeek.