
Does Every Facebook User Spend 15 Hours a Month on the Site?
Facebook's metrics claim that people spend 700B minutes a month on the site -- if "people" means "active users," that's more than 15 hours a month for each of Facebook's 750M such users [ Nielsen found Americans spent 53B minutes on Facebook in May -- see our story ].
Facebook has defined an "active user" as someone who has logged on to the service within the past 30 days. By that definition a person who logs on to Facebook once a month is considered "active." Hmm...