When it comes to social media companies, remember: You aren't the customer. You're the product. Those firms are collecting all the data about their users they can, so they can sell businesses micro-targeted access to you. Want to avoid some of that? Start with these three steps.
International fashion retailer C&A thinks you'll like its clothes better if you know just how much other people like them. New hangers in its Brazilian stores include a display that shows in real time how many Facebook 'likes' a given item has gotten.