I've always made a practice of writing to Ron Allen (or whoever Delta's CEO happens to be today) whenever I experience something I think is unusual (especially good) on a flight. I also find that just asking the FA, "Do you have a card?" (they never do, but I'll usually get a complete list of both the cockpit and cabin crews, scribbled on a napkin, as a result). Delta, at least, usually passes on my comments, and it apparently really means something to the employee. One Red Coat at DCA, about whom I wrote a laudatory letter a couple of years ago, still recognizes me by name - even though my name never got into our discussion when he helped me out. I'm not sure about the form cards. It seems to me they sort of cheapen the process. If I were the employee, it would mean a lot more to me to get a personalized letter of congratulations than a postcard that amounts to a form letter. If I were the manager, it would mean more to me, too.