Lost in the Supermarket - Bags for Life and Loyalty Fobs

Nectar selectors and club card members: where do your loyalty cards lie? This week, Dan and Kasia are discussing how supermarkets became so all-powerful that they can "campaign" on political and environmental issues (slash greenwash cynically) and the state can only follow their lead.

Also, why are full shelves in the supermarket oddly soothing when you have a hangover, and why empty shelves tell a story of social collapse? Do loyalty fobs promise a Fully Automated Luxury Future? What exactly are they doing with all our grocery data? Would Gordon Brown back the introduction of ID fobs?