^@:-)Too keep passengers out of BusinessFirst..The BF Concierge is at All flights with a BF Cabin to ensure there are no comp. ugrades..they go thru the upgrade list for every flight and lets say an agent in ATL upgraded you because your a Platinum traveling on a high fare from EWR to FCO as a goodwill gesture..The Concierge would Downgrade you and notify you at the gate since CO does not allow "comp" upgrades on flight with BusinessFirst..I have seen this happen several times and its due to outstation agents mis-understanding of the BusinessFirst Upgrade preocedure..or basically they dont understand that there is NO upgrade on those flights (except in case of oversell..and then the concierge will descide who to upgrade)so..this is the agent who makes sure nobody gets an unpaid upgrade or a comp upgrade..They even check the passengers onboard the aircraft to make sure nobody has snuck into BF..by going to each passenger and saying goodbye (by name) right before gate departure..All in all..this makes it fair for the BF paying passengers and ensures there are no free Upgrades to BF...CO allready has the most generous domestic upgrade programs in the industry..Im glad CO insists on keeping BF special.