I had a 8.5 hour LONG day of interviews. I was even interviewed over lunch while I ate. They use the STAR method (Google it). They ask a question and I had to explain a situation I was in that was similar and details of that situation. YES- 8.5 hours with multiple different people. They were very focused on if I was a fit for their company and had a sense of arrogance. I did not have a chance to ask a lot of questions and they Forgot I was also interviewing them. They seemed very old school. The worst part was the last person- it was the manager- he had the hardest questions and my brain was shutting off due to 8 hours of interviewing. I have never been that exhausted in my life. I ended up accepting the offer due to salary/location.

Interviewed at a conference. Gave them my resume, and I received a message that night offering an interview the next day. I interviewed on a Friday and received the offer that following Monday.