IDG World Expo on Friday announced that attendee registration for the upcoming Macworld Conference & Expo is now open. Macworld will once again be held at San Francisco’s Moscone Center from January 9-13, 2006. According to IDG, attendees who register before December 9, 2005 will receive early bird pricing — more information on pricing is available from the Web site. A new event called Market Symposiums will also make its debut in San Francisco. These day long conference events are designed to help people in specific markets get the most out of their Mac computing experience. Currently planned Symposiums include: Small Business, Education (K-12), Podcasting, Art Directors and New Media Artists.