Geoff Zeiss of Autodesk talks about the convergence going on between GIS and other software systems which will revolutionise the design and construction of nations' utilities. The issue is that we're getting old. But forget the discovery of body hair in places it never used to be, whether or not to dye, contact lenses versus glasses - in fact, put aside entirely the decision to age gracefully or outrageously; the personal implications pale next to the effects on wider society. Faced with the problem of how