If you’ve made it this far, you should now have a few ideas knocking around in your head, for hosting a successful useR! conference. We hope you treat this as what it is – a knowledgebase containing years’ worth of our learning from planning andhosting of useR! conferences. Our goal in wiritng this, wa to help you avoid as many hitches as possible - we know it is not possible to avoid them all when organizing such a large conference. We hope you enjoy the the effort, and success, and thank you for giving your time and energy to the R community.