Tonight on NewsFix: How much companies learn about you from social media, tips on protecting your privacy

HOUSTON — Turned off your cellphone GPS? No matter! Social media sites can still track your whereabouts using picture meta data and other methods. NewsFix dives deep into the nontransparent world of social media, talking with an online security expert and finding out all the sneaky ways digital platforms can collect your personal information. Watch NewsFix tonight to find out how you can protect your privacy.