Comparing the advertising power of Facebook, the world's biggest social network, to Google, the world's biggest search engine, strikes us as a little apple-y and orange-y. But as the hysteria behind Facebook's Friday IPO reaches a crescendo, nothing seems off-limits. The search-engine consultant WordStream took a stab at constructing a report card (h/t adverblog.com) comparing the two. The chart is tough on the eyes but the info might give you an edge in a bar argument. As for the winner? Read on.