I did one of Spotify's or Facebook's coding puzzles a while back, using 4 languages in the same source file and obfuscated my contact info in the response. If

I did one of Spotify's or Facebook's coding puzzles a while back, using 4 languages in the same source file and obfuscated my contact info in the response. If their recruitment team isn't up to the task, I don't want to work there. :) However, it was a fun exercise.