This week's bombshell revelation of Facebook putting profits over people has sparked fresh calls to get tougher on Big Tech. And for AI scientist Kai-fu Lee, companies will just keep using algorithms to benefit their bottom lines if left unchecked. So, what can we do? Clearly establishing what's "unacceptable" would help, he says, as would coming up with a definition of fake news that almost all people can agree on. Watch his interview with Ian Bremmer on the upcoming episode of GZERO World.