The suit gains you 5 seconds of respect until you open your mouth. Then hopefully you will actually know something. That's a crucial 5 seconds though. And it's

The suit gains you 5 seconds of respect until you open your mouth. Then hopefully you will actually know something. That's a crucial 5 seconds though. And it's not actually hard to get a clean, well-fitting suit. Most of the hackers I know actually clean up very nicely. That 5 seconds can set the tone for a positive and productive interview. Absolutely you need to exhaustively research the company you're interviewing with. It's not just to impress your interviewer but also to find out if that company will be a good fit for you.