The Republican presidential candidate will talk with the richest person in the world live on X, formerly Twitter.
www.bbc.com
It's now past 20:00 EDT and the feed on X/Twitter is off to a glitchy start.
Some users - including those in our newsroom - have recieved error messages while trying to log on.
It seems reminiscent of the announcement by Florida Governor Ron DeSantis, who used his chat with Musk on Twitter to announce his presidential campaign.
That event was also plagued by technological errors.