The original version of this book was written as part of a fellowship at the Harvard Kennedy School digitalHKS initiative.

Thanks to the following people for their feedback, contributions and help:

Adam Conners, Amy Hupe, Andrew Greenway, Ben Mcguire, Ben Welby, Christopher Nelson, Daniel Abadie, David Eaves, James Darling, Mairi Robertson, Matt Sheret, Nicola Barker, Pete Herlihy, Pia Andrews, Sam Smith, Sarah John, Steve Marshall, Trilly Chatterjee, Vanessa Rhinesmith, Will Myddleton, Zara Rahman and many others who took the time for a quick chat or suggested links to include.