The present invention relates generally to improvements related to the use of electronic shelf labels , {HEAD ~ radio frequency identification tags}, and other radiofrequency devices which are utilized, for example, to provide convenient access to pricing and other desired information for {TAIL ~ goods} 
The present invention relates generally to improvements related to the use of electronic shelf labels , { HEAD ~ radio frequency identification tags } , and other radiofrequency devices which are utilized , for example , to provide convenient access to pricing and other desired information for { TAIL ~ goods }
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