What Your Boss Never Told You About Career Growth?

Accenture had surveyed 3400 employees in 2011 and realized that only about one third had asked for a promotion, raise or job change. Interestingly, out of those who asked, 65% reported it helped them. More than half of the employees who asked for a promotion got one. Asking for a promotion or raise helps. What else increases your chances of a promotion? What your boss never told you about career growth and advancement?