Did you pay attention to the problems mentioned by the NSA director? It's hard. Much much harder than making a application to share status. Much much harder tha

Did you pay attention to the problems mentioned by the NSA director? It's hard. Much much harder than making a application to share status. Much much harder than even making an application that searches big data for new drug possibilities. There are classes of problems that are unsolved even at the technical level, much less the human one.