Mark Zuckerberg wears a black suit and red tie, and a man holds the Threads app on an iPhone against a green background.
Mark Zuckerberg and the Threads app.
  • Threads took just five days to reach 100 million users when it launched earlier this month.
  • But Mark Zuckerberg told staff that more than half of them haven't kept using the app, per Reuters.
  • Although Meta is working on new features to help "hook" users and keep them coming back.

Threads has lost more than half its users, Mark Zuckerberg told staff on Thursday, according to Reuters.