Facebook's Open Graph is about to get significantly bigger. I spoke with Demand Media VP, Marketing Jason Jaynes about the company's new integration with it, and it's a biggie, but not necessarily in the way you might think. When you think of Demand Media, you probably think about Demand Studios, the company's content production arm, and the sites it powers - sites like Cracked, eHow, LiveStrong, etc. These sites have enormous reach in themselves,