SMX: The Search Marketing Expo Conference Series. If you're into search marketing, and you're based in the US, this is as good as it gets. Danny Sullivan and Chris Sherman are both involved with it, so you know it's going to be good. SMX Advanced is taking place in Seattle in June 4-5, for the experienced search marketer. Take a look, and if you're thinking of registering, if you follow this link, they pay me money at no cost to you!