From the article: >> “The system may prevent a consumer from returning for a period of time at a particular retailer, but if that consumer reduces his or her r

From the article: >> “The system may prevent a consumer from returning for a period of time at a particular retailer, but if that consumer reduces his or her return activity, the system then allows the consumer to make returns at that retailer." So, the individual retailers are blacklisting, much like individual bars blacklist today. But this original article is talking about collecting those lists on a national scale, into one database.