Tesco tried out a grocery store version of this: http://www.designboom.com/weblog/cat/16/view/15557/tesco-virtual-supermarket-in-a-subway-station.html http://ww

Tesco tried out a grocery store version of this: http://www.designboom.com/weblog/cat/16/view/15557/tesco-virtual-supermarket-in-a-subway-station.html http://www.designboom.com/weblog/cat/16/view/15557/tesco-vir... It seems like most shoppers want the immediate gratification of getting their stuff right away so I think it is hard to find the right mix of products.