George Caffentzis 
In Letters of Blood and Fire [PDF ebook] 
Work, Machines, and Value in the Bad Infinity of Capitalism

A captivating collection of essays documenting a return to the heated conflicts present at the advent of capitalism. IT, immaterial production, financialisation and globalisation have been trumpeted as inaugurating a new phase of capitalism that puts it beyond its violent origins. However, instead of being in a period of major social and economic novelty, the course of the last decades has seen a return to the fire and blood of struggles at the advent of capitalism. Emphasizing class struggles, Caffentzis explores how a wide range of conflicts and antagonisms.