The 'digital-by-default' agenda needs to adopt Open Standards but also a move towards non-proprietary operating systems for all devices. The case for security, stability, useability and cost is well proven. Others countries and cities, Munich for example, have already begun. The US government is adopting Linux based systems for strategic government departments, including Defence. The challenge for the UK is to develop policy changes without incurring significant transition costs. One example is DfE which has 5350 PCs and laptops with Windows XP and Win7, MS 2003,2010, Adobe Reader
It is difficult to envisage a successful implementation of the 'digital-by-default' objectives while ever such situations prevail because of the lag that proprietary, legacy operating systems create. This will be a significant challenge and one that requires prudent, technical and tactical expertise.