Method of controlling electronic commerce queue

A method of distributing playable media items, the playable media items corresponding to machine readable media readable by a subscriber machine player, the method comprising the steps of:

• (a) setting up a first subscriber selection queue for a first subscriber with a computing system, said first subscriber selection queue consisting of a list of one or more playable media items to be delivered to the first subscriber;
• wherein said first subscriber selection queue is set up at least in part in response to playable media item selection directions provided by the first subscriber including a subscriber selected order for playable media items on said list;
• (b) setting up delivery rules for the first subscriber selection queue with the computing system, which delivery rules include an automated randomized delivery option selectable and controllable by the first subscriber;
• (c) shipping said playable media items in tangible media form to the first subscriber in a random sequence in response to said randomized delivery option being selected.