Comment by PaulDavisThe1st

> Today you have WhatsApp and Signal. 95% of your friends are on WhatsApp and 5% are on Signal.

I asked google:

  number of signal users: 40 million
  number of telegram users: 400 million

I know this is not completely central to your point, but it does speak to a part of what you're saying in that the choices are typically not binary.