A growing list of technology companies are banning the use of facial recognition tools by law enforcement agencies. Microsoft and Amazon joined IBM, which previously said it was exiting the business of making the technology altogether.

Facial recognition software has become an increasing part of our daily life as our smartphones, tablets, and many laptops use the technology to secure or unlock. It’s also become an area of focus for companies wanting to leverage the power of artificial intelligence (AI) to automate processes that used to take large amounts of time and had to be done manually.