https://techcrunch.com/2021/10/05/telegram-says-it-added-70m-users-while-facebook-and-whatsapp-were-down/

Facebook’s hours-long outage on Monday may have hurt the company, its founder, shareholders, and many businesses that rely on the social juggernaut’s services. But for its instant messaging rivals, it was a very good day.

Telegram founder and chief executive Pavel Durov said on Tuesday that his instant messaging app added a staggering 70 million users yesterday in what he described as a “record increase in user registration and activity” for the service.