Comment Re:Statistically significant (Score 1) 159
I think the bigger question is: does anybody care? Judging from the Farmville, Mafia Wars, etc. posts, you'd think that 150 users would have pushed facebook over the edge two years ago.
Both are still plenty vulnerable (google less so, but still) to an upstart with marketing money and a decent business plan.
Regardless, people who spend all day on either site aren't the people that make them money. Well except for offshore ones who are getting paid a dollar an hour to click on ads.