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Paper labels are found everywhere, such as in retail stores,manufacturers and other businesses in the supply chain,exhibitions, trains, hospitals, libraries, and conferencerooms—even in identification cards and on our desks.Paper labels had to be printed, placed and replaced manuallyby people.Dealing with tens of thousands of paper labels takes timeand involves errors, labor costs, and waste.Labels that are not properly updated cause problems as well,which also results in higher management costs.