The 200 million number is monthly active users. Being "active" to Facebook means interacting with Facebook at least once in the past 30 days. That means loggi

The 200 million number is monthly active users. Being "active" to Facebook means interacting with Facebook at least once in the past 30 days. That means logging in to Facebook, logging in to a Connect site, using a Facebook mobile app, or using a desktop application with Facebook access.