"So, buddy, what exactly does this little mom and pop shop do? I didn't have time to research the company 'cause I was up late last night chugging cough syrup and watching PBS."

Do your homework. Going into an interview blind is the worst thing you can do. If you don't research the company you're meeting with, you will appear disinterested, uninformed, and of course, dumb. "With today's technology, there is no excuse for having no knowledge of a company except laziness and/or poor planning, neither of which are attributes sought by many organizations," says Greg Moran, a sales director at a recruiting software firm.