GATHERING DATA CONCERNING PUBLICATION USAGE
Methods and systems for measuring and gathering data relating to publication usage by participants in publication readership studies. Some methods and systems employ portable monitors carried by participants of the studies along with publications fitted with various devices, such as piezoelectric tr...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | Methods and systems for measuring and gathering data relating to publication usage by participants in publication readership studies. Some methods and systems employ portable monitors carried by participants of the studies along with publications fitted with various devices, such as piezoelectric transducers, RFID tags and others devices and circuits. |
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