Malls are the front line in a largely invisible $1.6 billion consumer technology arms race. High-tech biometric surveillance and tracking is being turned onto consumers by retailers. This isn't about security - it's about selling.
Among the famous writer’s vast trove are 600 items of digital media, including floppy discs and two old Macs. Kate Stanton talks to archivists who are working out how to save vulnerable digital content for future generations.