lucy24 - 4:54 am on Feb 15, 2012 (gmt 0)

Didn't answer the question that sprang first to mind, though: At year's end, what part of the world's population will have a cell phone but not running water?

Was going to go look up how many zeros make an exabyte (or what multiple of 2^10 if you want to be persnickety about it), but hadn't the energy.