> Our huge network of merchant data found.. at some tiny brick-and-mortar in Baltimore and it comes out $50 cheaper Here is the crux: the 'supply chain' for ga

> Our huge network of merchant data found.. at some tiny brick-and-mortar in Baltimore and it comes out $50 cheaper Here is the crux: the 'supply chain' for gathering the data from all the tiny stores in small towns, who may not even have a retail system or may not be even connected, would be intractable.