Why is there a big link on GoKunming to Facebook when, are far as I can tell, it's still blocked. Is it just meant for VPN/proxy users, or am I missing a trick?

The trick is in believing life goes on as normal outside of planet China.

Ha, indeed. I hadn't really thought about non China residents using the site. Does anyone know what % that accounts for?

Q1 2011: 61% China, 39% rest of world

Local media also has links to FB and even Twitter, check out the links at the top of en.kunming.cn/

Sites can get blocked, but like Wikipedia, the NYT, BBC, etc, they can also be unblocked. The fact that nominally state-run media has FB and Twitter accounts suggests a disconnect that may one day be rectified.