Everything depends on what you mean by 'frequently'. Changing companies as often as every two to five years is definitely an accepted pace in today's marketplace whereas job-hopping is still seen as something negative 'cause people who move jobs frequently are perceived by most employers as inconsistent and lacking in commitment. Although I must admit, it's much more acceptable than in the past. Research has found that employees who stay in the same job for more than two years will earn 50 percent less over their lifetime than people who change companies more frequently. So despite the fact that job-hoppers are regarded as somewhat unreliable workers, they receive more money than those who are loyal to a company they work for. Plus, it helps people shift their career paths toward their interests and values 'cause exploring the job market helps them understand more quickly what exactly they are looking for.