Windows XP and Windows 8: The worst possible combination for Microsoft
But the old certainties are being swept away. PCs are no longer the automatic choice for business, thanks to the rise of the tablet. Neither is Windows, with Android desktops and Chromebooks also on an upward trajectory. And, thanks to BYOD, most firms are already used to staff turning up with iPads and Kindle Fire tablets; Microsoft's desktop dominance is already fraying around the edges.