Ankle bracelets used to track people are the main product behind the most recent acquisition made by 3M, the manufacturing conglomerate. $230 million was paid, in cash, for an Israeli company that makes ankle bracelets and other technologies used to keep track of people.Attenti Holdings SA, the ankle bracelets manufacturer, makes systems that can be used for example, to track the movements of people awaiting trial or are on probation and those of patients in senior care centers.3M Co., the maker of Post-Its and Scotch Tape, already makes products that can be used in file tracking, library management, supply chain management.The deal announced Tuesday comes a day after Maplewood, Minn.'s 3M said it will pay $943 million for Cogent Inc., which develops systems that read finger and palm prints and makes iris and face recognition systems.
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