I love Scott Berkun's concept of “Rude Q&A” - having to answer the meanest, nastiest, but smartest questions about your company. Root out your weak areas so you start figuring out the answers.
Rude Q&A: The constructive devil’s advocateNothing clarifies things quite like a hyperactive, all-knowing, all-seeing, real asshole of a devil’s advocate beating the living crap out of you.longform.asmartbear.com