Billionaire battle heats up!

Elon Musk is threatening to sue Mark Zuckerberg over the launch of Threads, a new rival to Twitter. The two tech titans may well come to blows - with Musk challenging his fellow nerd to a no-holds-barred cage match. UFC commentator Paul Carroll is on hand to tell us who would really win in a fight. Trade secrecy expert Sharon Sandeen explains whether Zuckerberg should be worried over Musk's threat of legal action. And tech experts Matt Binder and Kris Ruby analyse who ultimately has the best product.