One of the key drivers of global change is the convergence of technologies. This is, in turn, driving the convergence of products and ultimately services. Meanwhile, over in business (and especially retail), we are experiencing a blurring of industries and sectors. Hence we’ve got bookshops selling coffee, coffee shops selling music, supermarkets selling loans, Ralph Lauren selling white paint and water companies selling gas. Just how far can you stretch a brand these days before it snaps?