Fast-forward to 2016 and we’ve entered into a world no longer dominated by tools, but by machines. The crucial difference between a tool and a machine is that the former relies on human energy, while and the latter relies on non-human energy channelled via a system that replicates - and accentuates - the action of a human using a tool. The carpenter is now a furniture corporation using computer-programmed CNC cutters. Likewise, the bank that keeps score of that company’s money runs humming datacentres with vast account databases. These are digital equivalents of the old ledger books, drawing upon fossil-fuel generated electricity to write and hold information as magnetised atoms on hard-drives.
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