A portable, application-specific USB autorun device, following connection to a computer terminal, automatically initialises or presents itself as a known type of device and then automatically sends to the terminal a sequence of data complying with a standard protocol, that sequence of data automatically causing content to be accessed or a task to be initiated. The device (i) includes a standardised USB module that includes a USB microcontroller, the standardised module being designed to be attached to or embedded in multiple types of different, application specific packages but (ii) excludes mass memory storage for applications or end-user data.