To get a sense of how big this Big Switch is, Carr points to a similar revolution: the advent of electricity.

FORBES: Magazine Article

But if Orange and T-Mobile do not persuade plenty of Vodafone, O2 and Three customers to switch sides, then Britain's 4G revolution will have got off to a faltering start.

BBC: Will you pay more for 4G?

The fuel that powered the U.S. from the industrial revolution into the iPhone era is being pushed aside as utilities switch to cleaner and cheaper alternatives.

MSN: Coal producers find themselves in a hard place