Opening accounts for babies has been tried before, but only in rich countries such as Britain, Canada and South Korea, where its potential impact is far smaller.

Instant information, from anywhere to anyone, has now become a vehicle for instant impact on opinion and motivation - and a potential opening for manipulation.

The five elements comprising PUNCH are not the only things to consider, but if your opening contains 2-3 of these approaches then you are on your way to opening with impact.