(This is the fourth in a series with Facebook Ads API certified preferred marketing developers (PMDs). Earlier: Nanigans, AKQA, and Upcast Social) Media companies aren’t what they used to be as distinct technology companies and agencies may percolate within. Think Hearst/iCrossing, Gannett and its cadre of digital tools and services, The New York Times, Conde Nast – and Washington Post Company and SocialCode. As CEO Laura O’Shaughnessy tells it, SocialCode is “the biggest player in the paid social space for Fortune 500 companies” and just at the beginning of what it can do for clients. It doesn’t hurt that Washington Post’s Don Graham sits on the Facebook board and, consequently, the social media leader is clearly a focus for…