As I pointed out here:
It’s possible to be a little cynical about this phones versus thrones number though. Actual flush toilets aren’t in fact the problem. What is is the provision of water to flush them and a sewage system to flush them into. Both of which are largely government provided. While mobile phone systems are largely private company provided. Whether you want to call it the lust for profit or the greater efficiency of the private sector, it won’t surprise the more right leaning of us that phones do have a greater market reach than toilets.
There is more to it than just this of course. One obvious point being that it’s actually more difficult to provide running water and sewerage treatment plants than it is to provide mobile phone towers.