On-line marketplace service

At least one non-transitory computer-readable storage medium having encoded thereon executable instructions that, when executed by at least one computing device, cause the at least one computing device to carry out a method of managing distribution of an item via two or more on-line marketplaces of a marketplace service, the marketplace service managing at least a first plurality of on-line marketplaces, the marketplace service having a plurality of users, the method comprising:

• storing in at least one data store, separately for each on-line marketplace of the first plurality of on-line marketplaces, data identifying users of the plurality of users that are permitted to access that on-line marketplace;
• receive first input from a first user of the plurality of users identifying a first item to be listed for distribution via the marketplace service and a first on-line marketplace of the first plurality of on-line marketplaces in which to list the first item for distribution;
• receive second input from the first user requesting creation of a second on-line marketplace, the second input identifying that at least one second item is to be listed for distribution in the second on-line marketplace and identifying at least one person that does not have access to the first on-line marketplace and that is to be permitted to access the second on-line marketplace, the at least one second item comprising the first item, wherein receiving the second input from the first user comprises:
• outputting for display to the first user a listing of one or more second items that the first user has input to the marketplace service to list for distribution via the marketplace service via one or more of the first plurality of marketplaces, and
• receiving a selection from the first user of the at least one second item from the one or more second items included in the listing;
• storing, in the at least one data store, a record for the first item that identifies both the first on-line marketplace and the second on-line marketplace;
• and
• in response to user action relating to the first item within the first on-line marketplace or the second on-line marketplace, updating the record in the at least one data store.

A method of managing distribution of an item via one or more on-line marketplaces of a marketplace service, the marketplace service managing at least a plurality of on-line marketplaces managed by a marketplace service, the marketplace service having a plurality of users, the method comprising:

• operating at least one processor to:
• receive first input from a first user identifying a plurality of items to be distributed via the marketplace service in one or more of the plurality of on-line marketplaces, the plurality of items comprising a first item, a second item, and a third item;
• receive second input from the first user requesting creation of a first on-line marketplace, the second input identifying that the first item and the second item are to be listed for distribution in the first on-line marketplace and identifying at least one first person who is to be permitted access to the first on-line marketplace following creation, wherein receiving the second input from the first user comprises:
• outputting for display to the first user a listing of the plurality of items that the first user has listed for distribution via the marketplace service, and
• receiving a first selection from the first user of the at least the first item and the second item from the plurality of items included in the listing;
• receive third input from the first user requesting creation of a second on-line marketplace, the third input identifying that the second item and the third item are to be listed for distribution in the second on-line marketplace and identifying at least one second person who is to be permitted access to the second on-line marketplace following creation, wherein receiving the second input from the first user comprises:
• outputting for display to the first user the listing of the plurality of items that the first user has listed for distribution via the marketplace service, and
• receiving a second selection from the first user of the at least the second item and the third item from the plurality of items included in the listing;
• send a first message to the at least one first person inviting the at least one first person to access the first on-line marketplace;
• send a second message to the at least one second person inviting the at least one second person to access the second on-line marketplace;
• store, in at least one data store, a record for the second item that identifies both the first on-line marketplace and the second on-line marketplace;
• and
• in response to user action relating to the second item within the first on-line marketplace or the second on-line marketplace, update the record in the at least one data store.