Send news tips to: will.oremus@washpost.com Betrayal or inevitability? Meta is putting ads in WhatsApp. More than a decade after it acquired WhatsApp, Meta will begin showing ads within the app. The move,

WhatsApp says that users will start seeing ads in parts of the app, as owner Meta Platforms moves to cultivate a new revenue stream by tapping the billions of people that use the messaging service.

WhatsApps revenue model has intrigued many since it offers most services for free. Initially, it charged a $1 annual subscription fee but dropped this after Meta acquired it in 2014 for $19 billion. Despite being against in-app ads initially,