Facebook isn’t just the largest social networking site on the web with more than 800 million active users; it also collects a massive amount of information about those users. Through the newly revamped Facebook Insights, Page owners can access a staggering amount of information about their fans’ activities. This information gives business owners valuable insight into what they need to do to give fans a better experience and, in turn, achieve better marketing results.

via 3 Metrics that Will Change the Way You Market on Facebook.