Two visitors of the CeBIT computer fair use the "Illusion Hole
Station", a multi-user three-dimensional viewing and interaction
platform in Hanover March 13, 2002. The world's largest technology and
communications fair opened on Wednesday in the northern German city of
Hanover amid industry hopes that it could spark a recovery in a sector
hard hit by an economic slump. Hundreds of thousands of visitors will
descend on the seven-day CeBIT 2002 trade show to view and test
innovations in the software, online commerce, IT engineering and other
voice, vision and data systems. REUTERS/Fabrizio Bensch

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