What is facial recognition?

Every time you open your phone using your face, you're using a piece of technology called facial recognition.

Facial recognition allows your face to be identified by your phone so you can unlock it and access all of its features.

It's not just used by phone companies - the technology is also used in more serious ways by the police in an attempt to identify criminals.

We caught up with artificial intelligence expert, Krittika D'Silva, to find out more.