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