“GPS is expensive because it is a very slow communication channel - you need to communicate with three or four satellites for an extended duration at 50 bits per second.”

“GPS is expensive because it is a very slow communication channel - you need to communicate with three or four satellites for an extended duration at 50 bits per second.”

“The interesting thing about Android's design is how little we modified the kernel.”

“GPS is expensive because it is a very slow communication channel - you need to communicate with three or four satellites for an extended duration at 50 bits per second.”