If you thought things were confusing enough with B2B, B2C, C2B and C2C markets, you can add the combinatorics of machine markets in there. So soon, we’ll inhabit a world with five additional types of markets: B2M, M2B, C2M, M2C, M2M. Your refrigerator might buy its own replacement compressor. Your vacuum might rent an attachment from the neighbor’s vacuum without telling you. Your friendly neighborhood snack machine might own itself and literally sell you a can of coke (M2C) and order more when it runs out from Coca-Cola (B2M).