This doesn't apply to just teenagers. Anyone younger than 30 has probably noticed this trend by now. The only people I answer the phone to are people I know who prefer that mode of communication. That list mostly consists of people older than me, with a few exceptions. For everyone else, whatever textual mode of communication is my preferred way to talk, since then I have a record to go back to, time to think to resp…
I'm almost 40 and generally don't answer the phone. "What the f* are you doing calling me?"