"Pfizer holds two Marriott codes (4899 and PFZ, with PFE as a third variant). This code duplication reflects Pfizer's large managed travel program. FlyerTalk notes: "In the US and Canada, never asked to show a work badge. Overseas — they tend to follow the rule by the book." Pfizer's dual-code structure suggests a formally managed travel program that may share usage data with Pfizer's travel desk. Risk is medium — consistent with other pharma codes at full-service Marriott properties globally."

"I have stayed 100s of times with various corporate rates (including Japan) and the only hotel that has asked is W hotels. Even then they didn’t push much. I have been a consultant for 20 years and many clients require you to use their rates when they are paying the bill. The hotel doesn’t have an up to date list of every employee that works for a company globally. The woman at the W said “I don’t really care, just show me anything on your phone that says your name and that company. You can type an email now “."

"I swear the front desk employees are trained to resist and encouraged to lie. They try to save the rooms for members with higher status or complainers. I've booked King rooms and they'll assign me a double or a queen. The first rep will tell me they're fully booked and there's nothing they can do. But once transferred to a manager, King rooms magically appear!"