I'm not disagreeing with this, especially the social aspects, although I would point out: > Your colleagues... even send you work messages when on the go. > Y

I'm not disagreeing with this, especially the social aspects, although I would point out: > Your colleagues... even send you work messages when on the go. > Your landlord will communicate via Whatsapp, including sending you utility bills to pay. > The person you want to buy second-hand stuff from communicates via Whatsapp. The real estate agent trying to find you a place to live will send proposals by Whatsapp. In each of these examples, the other party has something to gain (a client; a bill payment; offloading some work; etc.), which I'd wager is enough to tolerate the minor inconvenience of sending an SMS/email.