https://www.siliconvalley.com/2023/08/14/time-to-move-on-mark-zuckerberg-says-elon-musk-isnt-serious-about-cage-fight/ > Mark Zuckerberg says Elon Musk “isn’t serious” about a cage fight and “it’s time to move on” from their proposed showdown, the details of which were never nailed down. > “Elon won’t confirm a date, then says he needs surgery, and now asks to do a practice round in my backyard instead,” the Meta chief executive wrote on social platform Threads Sunday.