Walking inside a store and having your face scanned sounds like something straight out of a science fiction movie.
Movies like Robocop, Star Trek, and Ex Machina have illustrated this point.
But what once seemed far-fetched may become part of your daily life.
Social media sites like Facebook and YouTube have been exposed for targeting ads to their users after tracking their search data.
Here's how it works: When you visit a site associated with one of these social media networks, they'll save this information so that they can later send you personalized ads. For example, if you're searching for a certain product, you'll receive ads about similar products later on.
This technique has generated billions of dollars in profit, and now retailers want a chunk of that dough.
They want to use facial recognition technology to invade your privacy and see what makes you want to take out your wallet.