[RERELEASE] What is cryptography?

Justin is a security and privacy research currently working on a project titled, "Mackerel: A Progressive School of Cryptographic Thought." You can find him on Twitter (@JustinTroutman) discussing ways in which crypto can be made easier for the masses. In the interview Justin talks about: what cryptography is; why everyone should care; some of its applications; and how to get started with cryptography.