Zuckerberg's latest not-quite-innovation comes in the form of Threads, an Instagram-based Twitter competitor.
Musk, meanwhile, replied with a laughing emoji to a Tweet saying that Threads was a straight copy-and-paste of Twitter.
For every copycat product that Zuckerberg has rolled out over the years to great success, others have failed to gain traction.
"Despite all the frustration," Ives says, "many people start their day with coffee, brushing their teeth and looking at Twitter."
Here are some notable copycat apps and features rolled out under Zuckerberg's leadership.
Persons:
Mark Zuckerberg, Elon Musk, Zuckerberg, hasn't, Dan Ives, Ives, it's
Organizations:
Facebook, News, Meta, Twitter, Wedbush Securities, Mastodon