Their whole mapping scheme is pretty neat too on this "mobile" view.

They'll use lat/long to determine if the user is in China or not and then pull up google maps or baidu.

Beautify this (https://d1a3f4spazzrp4.cloudfront.net/web-mobile-client/js/m...) then check out line 13185 for loadMap (Map loading resources on # 13094)

They also create a gorgeous map "blur" effect when the user is ready to pull the trigger on a ride: http://snag.gy/rlBYX.jpg