I mean, I'm a professional software developer (among other things), and when I'm commuting in highly populated areas on regional trains, the quality of Canada's

I mean, I'm a professional software developer (among other things), and when I'm commuting in highly populated areas on regional trains, the quality of Canada's telecommunications networks, the most expensive in the world to subscribers, is so extremely poor that SMS is the most reliable way to reach me during that time. It is pure luck that my workplace isn't in a deadzone for LTE or even 3G strong enough even to refresh Hacker News. SMS is absolutely necessary for me, I still have a basic GSM phone for phone calls and SMS because it is more reliable than current stuff and has a month of standby time.