Indeed, as taken with today’s revolutionary technologies as we are – I say this staring at my sleek new Apple Watch – I am sympathetic to Gordon’s argument. If US productivity figures are to be taken at anything close to face value – a persistently sluggish trend interrupted by a 16-year spurt that now appears to have faded – it is possible that all America has accomplished are transitional efficiency improvements associated with the IT-enabled shift from one technology platform to another.