Here's an interesting tweet from about 7 hours ago.
Rissa Andres @rissa_andresyou
I just saw the host of amazing race on the escalator. #OnceInALifetime
12:35 AM - 1 Jun 12 via Twitter for iPhone
Rissa is from Manila, but from her earlier tweets, she was apparently in the Hong Kong airport waiting for a flight back to Manila. I've asked her which Amazing Race host she saw. If it's Phil then we have something to work with in trying to figure out where TAR is going next.