You’ve made it through the last round, and now all you have to do is play the waiting game. It’s a nerve-wracking time, and you may jump every time the phone rings, but keep your cool and make sure you’re not breaking any of these interview follow-up rules: 1. Thank them within two days. Thank whoever interviewed you on the day of or, at the very least, the day after your interview. Thank every person who interviewed you. It’s best to send them individual thank-you emails or notes. Read more.