When you do a job for a while, you get to know all of the good and bad things about it. As customers, people might not understand what’s going on behind the scenes, so it takes someone in the know to dish the dirt. Luckily, a few people were willing to share the truth about their jobs with the online world. These people have peeled back the curtain to reveal their jobs’ inner workings and unveil the mystery, just like in ‘The Wizard of Oz.’