1. A server apparatus connectable to one or more requestor processes and at least one a source of titles over a computer network comprising: a processor; a memory coupled to the processor; a network interface coupled to the memory and processor; conversion logic responsive to a unique identifier of a title and configured to convert the unique identifier of the title into a location identifier indicating an address on the computer network where the title may be accessed; and activator generator logic responsive to the network interface and configured to generate an activator.