Was contacted by a recruiter and had an interview scheduled. The date and time came and no correspondence came from the recruiter. I emailed asking if there was a miscommunication in the interview time but found out the recruiter had made a mistake. We rescheduled for the next week, but again, the recruiter failed to contact me again. Pretty unprofessional, as it wasted time from two days of my life. If you didn't want me, at least contact me and say that you changed your mind or whatever. The fact that I contacted them again and they rescheduled only to fail again made everything that much worse.