For a good portion of my life to date, I thought I would change the world. Maybe I'd invent a new form of transport, such as cars on legs or the hover bike. Perhaps I'd write a novel that quietly and unfussily became a life changing favourite of millions. Perhaps I'd rival Lance Armstrong for domination of the professional cycling calendar. With age my grandeur driven dreams are scaling back; I'd settle for being a junior cabinet minister or assistant manager of a non-league football club. But I still seize the chance to change the world for the better whenever I can. And so it came to pass that I made a suggestion to our company procurement department that we get some better Post-It notes, as the packs that fill our cupboards only barely qualify for the adjective adhesive and have the embarrassing habit of fluttering from the wall like autumn leaves as long workshops drone on and on. In a transparent attempt to shame me, my suggestion did not disappear into the n...