WhatsApp is developing a feature, Writing Help, that uses artificial intelligence to suggest phrasing and correct grammar in messages before they are sent.

A cognitively impaired New Jersey man grew infatuated with “Big sis Billie,” a Facebook Messenger chatbot with a young woman’s persona. His fatal attraction puts a spotlight on Meta’s AI guidelines, ...

Russia moves to block WhatsApp for defying data demands; Telegram uses AI to remove millions of harmful messages daily.