Om Malik wrote an interesting piece yesterday on where he sees the future of social commerce moving. In a nutshell, he says that the first phase of e-commerce was fairly utilitarian and started with staples (Diapers.com, Amazon.com, etc.). E-commerce then moved to recreational shopping (Gilt Groupe, Groupon, etc.), which made it more fun and social. The next phase, he maintains, will leverage people’s interest graphs. He specifically mentions Hunch’s prediction engine, Apple’s “Ping” platform for social music sharing and discovery, and Facebook’s social graph as potential predictors of interests and spending habits. I think Om’s on the right track, but I’d take it a step further. I believe that the…