Macworld Conference and Expo

Produced by Boston-based IDG World Expo, Macworld/iWorld is a trade show with conference tracks dedicated to the Apple Macintosh platform. It is held annually in the United States during January. Originally Macworld Expo and then Macworld Conference & Exposition, the gathering dates back to 1985.

Macworld is the most widely read Macintosh magazine in North America and a trademark of Mac Publishing, a wholly owned subsidiary of International Data Group. IDG World Expo is also a subsidiary.

The conference tracks are taught by leaders in their fields and require large admission fees. They last for a few more days than the Expo, which runs generally three or four days. Attendees can visit the exhibits, set up by hardware manufacturers and software publishers that support the Macintosh platform.

On December 18, 2008, Apple announced that the 2009 Macworld Conference & Expo would be the last in which the company participates.

The first Macworld Expo occurred in 1985 in San Francisco. The conference itself was created by Peggy Kilburn, who helped to increase the size and profit of the event during her tenure (1985–1999). Among the speakers recruited by Kilburn were David Pogue, Steve Case, Bob LeVitus, as well as representatives from BMUG, LaserBoard, and other major user groups.

The San Francisco event has always been held at the Moscone Center. The Expo was also held in Brooks Hall near the San Francisco Civic Center from 1985 until 1993, when the expansion of Moscone Center allowed the show to be consolidated in one location.

Until 2005, the U.S. shows were held semiannually, with a January show in San Francisco and an additional summer show held in the Eastern US. The later event was held initially in Boston at the Bayside Expo & Executive Conference Center, later expanding with a dual presence at the World Trade Center Boston. From 1998 to 2003 it took place in New York City's Jacob K. Javits Convention Center. The 2004 and 2005 summer shows, retitled Macworld Conference & Expo took place in Boston, although without Apple's participation. Other companies followed Apple's lead, canceling or reducing the size of their own exhibits, which resulted in reduced attendance compared with previous Macworld conferences. On 16 September 2005, IDG announced that no further summertime shows would be held in NYC or in Boston.

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