With Salesforce.com's recent acquisition of Radian 6, a leading social listening company, and now with the acquisition of Buddy Media, Salesforce.com is moving swiftly into the social media marketing arena. According to the press release, Salesforce.com is "doubling down on the Salesforce Marketing Cloud to provide CMOs with the ability to manage the entire social marketing lifecycle.”
Venture capital investors in Buddy Media include Bay Partners, GGV Capital, Greycroft Partners, Insight Venture Partners,Institutional Venture Partners and SoftBank Capital.
Here's a link to a prior post on the acquisition: http://www.allenlatta.com/1/post/2012/5/buddy-media-to-be-acquired-by-salesforcecom-reports.html