The image in the background of the homepage with the array of surveillance cameras is by Matthew Henry on Unsplash. The leather shoulder bag that’s used throughout this site is thanks to Álvaro Serrano on Unsplash. Other photograph credits are on the pages on which they appear. If there’s one missing, or you are the owner of the image and you don’t want us to use it, drop us a line.

The stylised shoulder bag logo is a modified version of this one on the Noun Project by