Tech: Zuckerberg to launch 'Twitter killer' as Metaverse flops,

Technology journalist Bill Bennett joins Kathryn to look at the madness happening Twitter, with limits now imposed on how many tweets users can see. What impact will that have on advertising? It comes as Mark Zuckerberg gets set to launch his network to rival Twitter called Threads. The Meta founder needs a win, after his failed US$14b punt on the Metaverse. And we look at the latest battles in the semi-conductor chip war, as China looks to impose export restrictions on two key metals needed for chip manufacture and the US introduces sanctions on chip technology.