NEW YORK ( TheStreet ) -- Facebook ( FB ) will track the TV viewing habits of its users on phones and tablets, and send information about their age and gender to television ratings measurement company Nielsen NV ( NLSN ) starting this fall, the Los Angeles Times reports. Most Recently, Facebook saw more than 280 million interactions from the World Cup games with an estimated 88 million active users, making it the biggest social media interaction in history during a sporting event. Shares of Facebook are down -2.36% to $66.30 in early-market trading today. STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more. Separately, TheStreet Ratings team rates FACEBOOK INC as a Hold with a ratings score of C. TheStreet Ratings Team has this to say about their recommendation: "We rate FACEBOOK INC (FB) a HOLD.