OK, so right off the bat, let’s get over the whole Facebook privacy thing. While it has spurred some really interesting discussion, Facebook is not out to steal your credit card, your social security number or anything that is really, really private. We can talk about that later. Today, I want to take a look at how Facebook is just killing the internet…and, I love it.
Facebook is a giant monster. 4 bazillion people use it every day. And according to a statistic I just made up, every man woman and child in the United States wastes 119.7 hours each week playing Farmville and Mafia Wars.


Take the 
Most online marketers are comfortable with the measurement and metrics behind traditional click-based programs like paid search. Less rigorously measured and discussed is activity from social media sites like user-generated links and comments placed on sites like Twitter, Facebook and StumbleUpon. While social media as a channel presents unique challenges to measurement, there are several tactics marketers can take to start measuring the impact of social media on their business.