They will appear in only one part of the Meta-owned messaging service, it said. The move is potentially lucrative, while raising questions about user privacy.

Ads will appear in the Updates tab, however chats and private messages will remain end-to-end encrypted and free from ads.

WhatsApp, owned by Meta Platforms, will introduce ads in the app's Updates tab, used by 1.5 billion people daily. The ads aim to create a new revenue stream without altering the personal messaging experience.