Buying Whole Foods could complete an Amazon ecosystem a decade in the making
Customers leave the Whole Foods Market in Boulder, Colorado May 10, 2017. REUTERS/Rick Wilking

Maybe the Dash Wand was a good idea after all Amazon's at-home barcode scanner searches for and adds sundries to an AmazonFresh cart. Amazon Yesterday, Amazon unveiled the second generation of its Dash Wand, an Alexa-enabled home barcode scanner that adds grocery items to an AmazonFresh cart. Yesterday, the Dash was a promotional tool, a way…