I've been emailed at least 3 times about interviewing with them, so I think they just cast their net wide and see who does the best on their programming tests.

I've been emailed at least 3 times about interviewing with them, so I think they just cast their net wide and see who does the best on their programming tests. I personally don't interview with companies that hire that way, so I've never responded. I turned to down a Google interview for the same reason. I heard Amazon sucks to work for anyways.