Facebook vs. Winklevoss

What was the U.S. court of appeals decision in Facebook vs. WinklevosWhy did the court reach this conclusion? Do you agree with the way courts enforce the terms of contracts in situations like this? What might be a hypothetical situation where a court might not enforce the terms of a contract between the two parties? (Hint: what does the court say about the level of sophistication of the two sides in this case)