1. A method comprising the acts: receiving a user request, through an interface of a user device, to process audio, image or video content; applying an algorithm to data representing at least some of the content; without further user request, taking a first action based on an output from said algorithm, said first action including presenting first information on a display screen of the user device; and in response to a further user request, initiating a second action, the second action leading to presentation, on the display screen of the user device, of a web page associated with an artist involved with creation of the content.