1. Explain in detail what is meant by "non-contractual promises" (enforceable and unenforceable). Do not simply give me the textbook definition. You must explain an enforceable non-contractual promise and an unenforceable non-contractual promise in detail. What makes a non-contractual promise "enforceable"; what makes it "unenforceable?"
2. What are the principles behind facebook's interview process? Do you think it is too complex.