Meta recently launched a new app that's a direct competitor to Twitter. It's called Threads, and Meta's Mark Zuckerberg said it has garnered 50 million sign-ups in its first five days. WSJ's Salvador Rodriguez says the new app poses the biggest threat to Twitter, fanning the flames of a long rivalry between Twitter’s Elon Musk and Meta’s Zuckerberg.

Further Reading:

• Day After Threads Launches, Twitter Accuses Meta of Using Its Trade Secrets 

Further Listening:

• Twitter’s New CEO: The Velvet Hammer 

• What’s allowed on Elon Musk’s Twitter? 

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