Although millennials have high expectations about what their employers should provide them, companies shouldn't expect much loyalty in return. Because of their grand expectations, most millennials have no intention of settling down for long with one employer. They always have one foot out the door, looking ahead to the next big career move. If a job doesn't prove fulfilling, they will forsake it in a flash.

Indeed, many employers say that recruiting millennials isn't their biggest challenge. It's retention that worries them most. After companies invest thousands of dollars in recruiting and training, they shudder to see their young up-and comers suddenly bolt to another employer. "These young people are going to break ...

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