Stayed at a Marriott property in China that apparently has two properties running side-by-side by the same owner. Have been staying there forever and never had a problem. But this time, the front desk agent apparently took the wrong credit card machine (they have to run to the back room to get a dedicated machine for foreign cards) and swiped my Bonvoy card with another property's machine. It shows up on my credit bill as "JIUDIAN" (Chinese transliteration for hotel), and thus AMEX will only offer 2x points on the charge. Urgh.........