IDG World Expo today announced the feature presentations at Macworld Conference & Expo on July 11-14, 2005 at the Hynes Convention Center in Boston. Feature presentations include an address by popular Mac columnist, Andy Ihnatko; The MacBrainiac Challenge, hosted by Mac industry pundit and Macworld 911 columnist Chris Breen; and the Macworld Town Hall with Mac industry luminaries. Andy Ihnatko, columnist for The Chicago Sun-Times and Macworld, will deliver a feature presentation titled, “2,000 Things About the Macintosh That You Should Really Have Already Learned By Now.”