From the event organizers:
“Macworld/iWorld is the world’s ultimate fan event for those who use, create, and love Apple products. Attendees will encounter a unique celebration of Apple technology-infused art, music, and film, as well as learning opportunities, and a shopping mecca in our exhibit hall filled with products and services for Apple users of all skill levels and interests. From home users, to artistic hobbyists and professionals, and the true Technorati—Macworld/iWorld gives attendees the chance to experience all that the amazing world of Apple-related tools can offer.”
Information and registration here.