Cryptography used to be the domain of information theorists and spies. There's a new player now: neural networks. Given the task of communicating securely, neural networks are inventing new encryption methods that, as best we can tell, are unlike anything humans have ever seen before.Relevant links:http://arstechnica.co.uk/information-technology/2016/10/google-ai-neural-network-cryptography/https://arxiv.org/pdf/1610.06918v1.pdf