Lately, I keep seeing people discuss whether there can exist markets without capitalism. This is often phrased in terms of Marx's terminology for commodities. The circuit of commodity circulation, C-M-C, signifies the sale of a commodity in exchange for money, which is then used to buy another commodity. The circuit of capital, M-C-M', is the process by which money makes more money: a capitalist purchases someone's labor time, and then keeps the product of that time spent working. This product, since it contains newly-exerted labor (in the abstract), is worth more than what was invested in its production. The capitalist can then sell the product for more than was spent. It is not, therefore, uncommon for market socialists to advocate for their platform using the language of Marx's critique of capital. Since C-M-C and M-C-M' are distinct circuits, and M-C-M' appears most obviously in the form of industrial wage labor, it seems that a society can be organized arou...