On Being a Good Assistant: Robbie Myers:Every single thing that you do is an opportunity to meet somebody.A sense of humility goes a long way.Ariel Foxman: This is not 'The Devil Wears Prada.'Be pleasant.On Interviewing/Writing Cover Letters:Amy Astley:Know the person you're talking to in an interview. Cover letters should be brief and to the point.Foxman:Make sure your social media presence is respectable. Send personal, handwritten thank you notes after an interview. Don't ask a fake question if you don't have one--say you want the job [instead].On Dressing For The Job:Astley: I feel that your clothes speak volumes...I'm looking for creativity.On Their Personal Careers:Myers: If there's anything that I regret, it's not showing up for certain things.[Photo credit: Will Fenstermaker/Fashionista]