The problem is that most of my family and friends won't pay for a messaging app. Messaging apps are seen as something that is (always) free. So, the incentive t

The problem is that most of my family and friends won't pay for a messaging app. Messaging apps are seen as something that is (always) free. So, the incentive to switch from Facebook Chat, Hangouts, or Whatsapp to Threema is near zero. Although I haven't pushed any messaging app, at least some of my friends are on Telegram.