„Meta earnings: „For the first time, we surpassed 3 billion people using at least one of our family of apps on a daily basis in March and approximately 3.8 billion people use at least one on a monthly basis.“
There are about 4bn smartphones in use outside China“

twitter.com/benedictevans/status/1651432713910378498

Wahrscheinlich 3,5 Milliarden davon reine Whatsapp-Nutzer. (Extrapoliert vom Onlineverhalten deutscher Rentner)