The first round was a phone call with someone from HR. Second round was a brief, phone interview with the hiring manager. Third round was on-site with the hiring manager. Overall it seemed to go well - the hiring manager was very personable, and the interview ended with the manager saying they would be in touch within the next week or so. Well, now it is six weeks later, and I've had no contact - even though I sent a follow-up "thank you" email after two weeks, expressing continued interest in the position - a perfect opportunity to say "thanks, but no thanks." I recognize that everyone is busy, but it's really quite terrible they chose not to send a one or two line email after that many rounds of interviewing.