I'm from the US. While there are certainly people that use it, I don't personally know anyone that uses Whatsapp, Signal, Telegram, etc... as their primary meth

I'm from the US. While there are certainly people that use it, I don't personally know anyone that uses Whatsapp, Signal, Telegram, etc... as their primary method of text communication. Nearly everyone I personally know uses iMessage or SMS, with a smaller subset using Facebook messenger.