> "how often do you give a phone number to another person to contact you? With apps like Telegram, KakaoTalk, Twitter and Facebook, those platforms are fast becoming the norm for contacting your friends and family"<p>The last time was two weeks ago, to schedule a telephone call with a prospective client. The time before that was about four weeks ago, when we bought some furniture and wanted it delivered.<p>The world isn't only "friends and family."<p>> "Nobody roams - it's overpriced and stupid."<p>Note, "The EU has ended roaming surcharges for all people who travel periodically within the EU. ... Since 15 June 2017, people pay only domestic charges." <a href="https://ec.europa.eu/digital-single-market/en/roaming-tariffs" rel="nofollow">https://ec.europa.eu/digital-single-market/en/roaming-tariff...</a><p>There's no reason that can't also happen in the US.<p>> "I don't even remember the last time I made a voice call."<p>Last Monday we called our health care provider concerning our sick child. I don't see how that can be replaced with Telegram, etc.<p>On Wednesday our kid's preschool called.<p>Yesterday I got a call from the furniture store to arrange a delivery time.