&gt; it&#x27;s actually easier for people to move from Viber to WhatsApp to Telegram to Signal today than it is for people to move from gmail to yahoo mail.<p>That&#x27;s only because those apps aren&#x27;t used for anything complex, while email goes in all kinds of automation and long term storage.<p>Ant that&#x27;s only because email is some stable technology that you can count on working without &quot;staying in contact&quot;, or &quot;checking you got it&quot;. (Even if many people will do those things.)