The concept of Artificial Intelligence in terms of digital computing has been around since the mid 1950s. Researchers have continued to work in this field since then, and these days, while there might not yet be the kind of artificial general intelligence those early researchers first imagined, there are lots of ways computers are doing work only humans could once do -- much of it behind the scenes in the systems we all take for granted. We explore the roles "big data" and maching learning are