Computer code. It powers damn near everything in our lives at this point. But we really only ever think about it when it breaks. So, let's think about how many lines of code make CryEngine 2, World of Warcraft and the Curiosity Mars Rover.

On October 1, President Obama took the stage at a press conference and did something unusual for the leader of the free world: He explained why a website wasn't working. Specifically, Obamacare's overloaded online service healthcare.gov, which hadn't had a particularly smooth launch. For a moment, the president…