The Disloyalty Card
- by David Dorf
Let's take a break from technology for a second; please indulge me. (That's for you Erick.)
A few months back, James Hoffmann reported that Gwilym Davies, the 2009 World Barista Champion, had implemented a rather unique idea for his cafe: the disloyalty card.
His card lists eight nearby cafes in London that the cardholder must visit and try a…