Early in my career I worked on IBM mainframes and wrote JCL for them. Let's say someone knocked on my door tomorrow and said "We're looking for someone with an

Early in my career I worked on IBM mainframes and wrote JCL for them. Let's say someone knocked on my door tomorrow and said "We're looking for someone with any experience at all with JCL on IBM mainframes. We'll pay a million dollars a year for a 10-year guaranteed contract. Are you that guy?" I would say "Nope. Sorry. I'm a plumber. I don't know nuthin' about computers." (And then they would say "Ha! GOTCHA! How'd you know we were talking about computers? Now take your million-dollar check and watch your head as you get into this nice black helicopter.")