5 Change in practice Example 1 : changing technology (QR codes) 85 The range of areas over which change holds sway has already been made clear from what has been written earlier, and it is thus impossible to encompass every possible kind of change in illustrating how it can be made to happen. However, in this chapter three examples are investigated in a little more detail. These are chosen so that they are as different from each other as possible but are relevant to most readers. The first is unsurprisingly from the area of information technology. It is an area where few of us need reminding of the rate of change occurring or the need to keep up to date. The second concerns an underrated technique linked to making personal change, and the third illustrates the sheer complexity sometimes involved. One area where rapid change is all too apparent is in the area of technology and of information technology (IT) in particular. Ever since computers found themselves on every desk in the land things