The most powerful sign is that your work no longer enchants you - it's not deep, delightful, and mutually satisfying. When this happens, it may be time to look for new challenges.
Guy KawasakiFrequently, crashes are followed with a message like 'ID 02'. 'ID' is an abbreviation for idiosyncrasy and the number that follows indicates how many more months of testing the product should have had.
Guy Kawasaki