Whether you like it or not, facial recognition tech to check in for your flight will soon be coming to an airport near you.

Over a dozen U.S. airports are already rolling out the technology, with many more to go before the U.S. government hits its target of enrolling the largest 20 airports in the country before 2021.

Facial recognition is highly controversial and has many divided. On the one hand, it reduces paper tickets and meant to be easier for travelers to check in at the airport before their flight. But facial recognition also has technical problems. According to a Homeland Security watchdog, the facial recognition systems used at airports only worked in 85 percent in some cases. Homeland Security said the system is

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