People have SMS, right? It stinks. It's a dead technology, like a fax machine left over from the Seventies, sitting there as a cash cow for carriers.

The fax machine had been unplugged at the other end.

The message growth rate in Brazil - it's not like a hockey stick: it's like a vertical line.

In some ways, you can think of end-to-end encryption as honoring what the past looked like.

Nobody should have the right to eavesdrop, or you become a totalitarian state - the kind of state I escaped as a kid to come to this country where you have democracy and freedom of speech.

A lot of times, people start out with a lot of good ideas, but then they don't execute. They lose the purity of their vision. You end up running around in circles.