> Promotion is something different -- it's interviewing for a brand new job, by proving you're already doing that job. Every large corporation has a concept of

> Promotion is something different -- it's interviewing for a brand new job, by proving you're already doing that job. Every large corporation has a concept of levels. It makes sense to use levels as a progression (they are numeric after all) rather than a new job each time. That’s what job titles/roles are for. I’m not convinced by this summary, and it seems anecdotal rather than realistic.