I think a comparison to an oil rig is wishful thinking, to say the least. You have a basically clear and proven business model that's existed for 100 years, ba

I think a comparison to an oil rig is wishful thinking, to say the least. You have a basically clear and proven business model that's existed for 100 years, based on selling a tangible product that everybody inarguably needs. Facebook has none of those characteristics, and nobody's proven that there's anything substantial where they're digging.