Photos: A look back at old cell phones
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Credit: AFP/Getty Images
HANOVER, GERMANY: A worker cleans a billboard displaying an ad for a mobile phone company in preparation for Hanover's CeBIT 2004 computer and telecomunication technology fair, 11 March 2004. The fair, the largest of its kind in the world, opens from 18 to 24 March, and gathers some 6,400 exhibitors from over 60 countries. AFP PHOTO DDP/JOCHEN LUEBKE GERMANY OUT (Photo credit should read JOCHEN LUEBKE/AFP/Getty Images)
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