Publisher’s acknowledgements

16 Michael O’Leary: Quoted by Michael O’Leary; 21 John le Carré: Quoted by John le Carré; 32 Irving Fisher: Quoted by Irving Fisher; 32 Thomas Watson: Quoted by Thomas Watson; 32 Robert Metcalfe: Quoted by Robert Metcalfe; 32 William Preece: Quoted by William Preece; 66 Abraham H. Maslow: Maslow, A.H. (1943) ‘A theory of human motivation’, Psychological Review 50(4), 370–96.