I think that's probably true although I've had even US people argue with me that "everyone they know" uses WhatsApp. I do think it's the case that SMS became basically free in the US sooner than other places and therefore it became the default in the US whatever encryption or other details.
I think that's probably true although I've had even US people argue with me that "everyone they know" uses WhatsApp. I do think it's the case that SMS became basically free in the US sooner than other places and therefore it became the default in the US whatever encryption or other details.