CEO, COO, CIO, CFO -- all TLAs that most folks would be proud to see blooming on their business cards. Get ready for a new one. It's CDO, Chief Digital Officer, a position recently created in New York City and now occupied by one Rachel Sterne. She's something of a social media maven and is the founder of GroundReport, an aggregator of user-created news stories. She'll now be tasked with improving the city's ability to leverage social networks and the internet as a whole to communicate with its residents. We're not sure if this will actually entail the digitization of Rachel herself, but we're wondering if maybe that's
