When Facebook bought WhatsApp for $19 billion nearly a decade ago, Mark Zuckerberg made a promise: The Facebook chief said he wouldn’t meddle often with the messaging app so as not to mess with a good thing. Mr. Zuckerberg stuck to that philosophy as WhatsApp amassed more than two billion users globally — until 2019, when he began tapping the app’s growth and business potential. Now WhatsApp has become increasingly crucial to Meta, the company that owns Facebook, Instagram and other apps. Ads on WhatsApp and its sister messaging service, Messenger, are also growing so rapidly that they may reach $10 billion in revenue this year, the company recently said. “If you’re envisioning what will be the private social platform of the future, starting from scratch, I think it would basically look like WhatsApp,” Mr. Zuckerberg, 39, said in a recent interview.

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Persons: Mark Zuckerberg, wouldn’t meddle, Zuckerberg, WhatsApp, Mr Organizations: Facebook, Meta