> Servers: $2.9 million dollars per year.
> Registration Fees: $6 million dollars per year.
> Total Bandwidth: $2.8 million dollars per year.
> Additional Services: $700,000 dollars per year.
Signal pays more for delivering verification SMS during sign-up, than for all other infrastructure (except traffic) combined. Wow, that sounds excessive.
My mom was able to get our entire extended family on Signal without my involvement, which is a testament to how easy that is.
Not whether that's a good idea is more debatable; you're not wrong about discoverability.