Since the comments have shifted focus to hiring/interviewing:

Make sure that your company's interview process leaves enough time at the end of each interview to allow the candidate to ask questions. Don't assume the candidate is OK with emailing questions later because you only left the candidate 3 minutes to talk. The candidate pledged a day of their life to interview as they are interested in your company. If they leave your company at the end of the day without being able to ask all the questions they have, there's a chance they will never bring them up later.