But in 2005 -- or when the Y acquisition was being debated -- it wasn't obvious that fb would be able to monetize their enormous quantity of pageviews. In any

But in 2005 -- or when the Y acquisition was being debated -- it wasn't obvious that fb would be able to monetize their enormous quantity of pageviews. In any case, the enormous email list groupon has is awesome... but I think LivingSocial will be able to replicate that. And once you're on both email lists, then what does groupon have over competitors?