The belief that the 'pyramid' model of consulting may have had its day is one that's becoming increasingly widespread, not least because we keep talking about it.
What replaces it is the subject of much conjecture and no little amusement. Some talk of slimmer pyramids, some of diamonds; those of a more macabre inclination are drawn to the idea of the coffin-shaped firm, while we've spent some time in the past trying to get everyone interested in the hourglass.