As we spend more time online and looking at our screens, we're increasingly living in a digital world. But we don't always know who runs it.

Tech companies are writing the rules — through computer algorithms powered by artificial intelligence. The thing is, Big Tech may have set something in motion it doesn't fully understand, nor control.

On this episode of GZERO World, Ian Bremmer talks to former Google CEO Eric Schmidt, who believes we need to control AI before it controls us.