How many times have you encountered a change that doesn’t make a difference? I have seen many such changes. There’s lots of noise and activity, but, in the end, no difference. In physics, such changes are associated with high levels of symmetry. Take a sphere for example. You can spin it around and turn it upside down and it always looks the same. Lots of activity but no difference. You get the same in some organisations. There is lots of talk about [...]