Online collaboration over the claimed proof "P versus NP" demonstrates the potential of the internet in the field of mathematical and intellectual research alike. The proof "P versus NP," if verified, would make obsolete modern cryptography, which works under the assumption that P does not equal NP.
This is a PDF file of a chapter taken from a book that contains essays on many issues that arise from "big data." This chapter specifically pertains to our privacy versus security debate because it provides reasons as to why bulk data collection does not work as well as alternative options to mass surveillance.