With preparing interview question responses, researching the company beforehand, and making sure you arrive 15 minutes early, you have enough on your hands without having to worry about what you& going to wear to your internship interview.
Anyone with short or medium length hair knows that updos can be a big struggle, if not totally impossible. But leaving your hair down all the time? That gets boring fast. I recently chopped a few inches off of my longish hair for a lob with choppy ends.