"What was the revenue plan? Advertising?" How else would one of those "thumbs up/down voting + comments" sites be monitized? People certainly aren't going to p

"What was the revenue plan? Advertising?" How else would one of those "thumbs up/down voting + comments" sites be monitized? People certainly aren't going to pay a subscription for it. I like one of the upvoted comments on reddit: turn the ship slightly, port over to Facebook, and slap adsense on it. Then move on to the next idea.