These hidden tracking cookies stick to you, so companies can scan you as you move across the web. What's happening? Online trackers get into your Mobile when you visit a website. They're sticky and hard to get rid of. They aggressively track what you do online, gathering 3000+ pieces of personal info They create an extremely detailed personal file on you and sell it to different companies. Advertisers can now pick you from crowd, spam you with targeted ads, even jack up their prices for you.