Picture this: you are the captain of a high profile sports team. You are in the final of a major competition. The match is harder than you expected. So at half time you tell your team to get back out there and ignore the competition. You also command them to remove their expensive boots and make do with whatever footwear they wore to the stadium. Unsurprisingly, your team loses.

Demystifying it

For explanations of those baffling technology terms, visit Ade McCormack’s IT glossary at www.ft.com/digitalbusiness

In the dressing room, having berated the dejected players, you announce that in response to such a poor performance you are going to cut back on training.