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