Beverage Packaging

Here's a tip: If you're planning on moving to greener pastures, don't let your bosses find out about it in a news release from your new employer. That's how Joanne Bradford, formerly of Yahoo, broke the news of her switch to Demand Media, in what Steve Tobak calls "a really ugly and unprofessional way to jump ship." The way you leave a job says a lot about your character, Tobak argues -- and that's something your future employers will be paying attention to.