Holidays are generally a time for high blood-pressure, so it's always nice when technology steps in to smooth frustrations and make things easier. Unfortunately, time with family - or indeed away from them - can also introduce its own electronic headaches. Many of us make the annual pilgrimage to the family home with a bag full of cables, gadgets and thumb-drives loaded with anti-malware software, along with the apprehension that we'll be the unpaid Geek Squad while we're there. Some things, though, should be simple: talking to distant family via Skype, for instance. Unfortunately, as I discovered myself this Christmas, that wasn't to be the case.