About a decade ago, I was fresh out of business school and had a certain way of looking at things. We’d been taught that businesses operated a certain way. The rules were standard and straightforward: you got a job, stayed with that company, and worked slowly and steadily to make your way up the ladder. Occasionally you left for a better opportunity.
http://www.forbes.com/sites/puneetmehta/2016/01/30/137/#926681c7ca07