That does not mean they can order you around like a slave. What if IBM tells him that as an IBM employee he cannot eat at a particular restaurant, or eat pasta? What if IBM tells him that as an IBM employee he cannot sleep on a spring mattress? What if IBM tells him that as an IBM employee he cannot walk a dog on the weekend? What if IBM tells him that as an IBM employee he can invest in a mutual fund? What if IBM tells him that as an IBM employee he cannot help his neighbor in his garden? What if IBM tells him that as an IBM employee he cannot pee while standing? What if IBM tells him that as an IBM employee he cannot get a divorce? What if IBM tells him that as an IBM employee he cannot help his dad with a computer problem? What if IBM tells him that as an IBM employee he cannot answer a stack overflow query?