multi-billion-dollar investments we've made into algorithm systems, machine learning systems, they should be held to account if necessary by regulation, so people can match what our systems say they should do from what actually happens. as i said earlier, you can't design regulation that intervenes in realtime in the way that human beings interact every millisecond of the day. but in terms of trance psptrans yes. >> do you support section 230, the section that holds people to liability, from people who act due to engagement. >> i do think section 230 should be changed. let me suggest a better way. section 230, as you know, gives online platforms protection from liability for the content that