You expect brownouts and power cuts during the kind of 15o Fahrenheit weather we’ve been enjoying over the past week, but telephone cuts? Well, yes, when the lines are brought down by snow, but surely not when intrepid commuters simply want to phone home to tell their nearest and dearest that they’re stuck in a train that British Rail lost in the blinding snowdrifts near Maidstone – but yes: British Telecom was this week switching out whole groups of domestic subscribers for 15 minutes at a time to prevent the entire network coming down through excessive loading.