What with the blogosphere, Twittersphere et al (my cafe seat is mercifully less refrigerated this morning but the Earls Court Rd is no place to be pondering such matters) it is some relief to know that although our world is digitised, the operatic stage remains a bastion of pure human achievement. This reassuringly Luddite conclusion came to me as I traversed Kilimanjaro (in just thirty minutes, atop the bicycle in the gym using the aerobic Hill Plus programme: distance covered 10.93 km, average output 423 kw, average speed 9.2kph, calories burned 412, average heart rate 109).