> As to messaging apps, SMS and email work just fine but for anyone who cares I suspect they would simply jump to whatever messaging app did work.
Messaging apps have a network effect. You can't just jump ship from one at will, or you get cut off from all of your friends who didn't jump along with you.
Messaging apps have a network effect. You can't just jump ship from one at will, or you get cut off from all of your friends who didn't jump along with you.