If you use WordPress in any capacity, you must experience a WordCamp!
What is WordCamp?
WordCamps are casual, locally-organized, non- profit conferences covering everything related toWordPress, the free and open source personal publishing software that powers over 25 million sites on the web. WordCamps come in all different flavors, based on the local communities that produce them, but in general, WordCamps include sessions from basic WordPress tips to development. The types of sessions typically seen at WordCamps can be viewed at the WordCamp channel at WordPress.tv.
You can find out more at the event page here and register online.