In 2011, PC and laptop sales are expected to reach at least 350m units and they are still growing. Smartphone sales at approximately 420m units will overtake PC sales and they are growing much faster. Tablet sales are expected to be 50m units in 2011 and from a low base are growing even faster still. According to the Economist there will be more than 10bn connected devices by 2020. That’s more than one per head of the current 7bn global population.