作者: Jacqueline Anne Lapstun , Paul Lapstun , Kia Silverbrook
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摘要: Provided is a method of collaborative document mark-ups. A first including coded data tags printed. Coded are indicative an identity unique to the printed on and position respective that document. First indicating then received from sensing device used mark-up The includes positions markings made using device. version recorded, second process repeated with resulting in recording linked version.