That isn't the point they're making here, though. They're comparing the valuation with the size of the user base. For example, at $3b for LinkedIn, divided by t

That isn't the point they're making here, though. They're comparing the valuation with the size of the user base. For example, at $3b for LinkedIn, divided by the number of users they have, it comes to about $33.33 per user. In other words, a sort of very rough market valuation of what the industry thinks the users are worth, I suppose.