I sat together with Christopher Barger during a session by Dow Jones’ Alan Scott, then sat in on his excellent session, best summed up as as a primer on the rationale for companies to embrace social media. Later, he sat down with me for an audio interview (which I’ll post shortly on the

IABC ConferenceCast site), and this brief video interview, which you can also see over at MyRagan.

Christopher is global director of intervactive communication at General Motors (he has responsibility for Fastlane

, FYI, and all of GM’s other interactive initiatives. He just took the job after holding a similar position at IBM, where he was involved in such work as the investor relations department’s “IBM and the Future Of…” podcasts.