When spending time at a hotel, you allow yourself to comfortably leave things around, as you know that the hotel is being monitored by security cameras and staff at all times. Otherwise, you simply wouldn't pay to stay the night. In this case, OP was staying at a very expensive hotel, and when I say expensive, I mean that a standard room typically costs over $500 a night. So what happened to OP's slippers was kind of bizarre. OP was visiting the hotel spa, taking off his slippers and leaving th…