Registrations for the Macworld Conference & Expo 2009 are now open, with show organizer IDG creating a brand new web site that offers enhanced Web 2.0 compatibility. The new website allows users to interact with Macworld attendees and other Mac users through Facebook, MySpace, and the Expo's own proprietary social network. The 2009 Expo will run from January 5th to the 9th, and several different p
