Abstract: Techniques are described for facilitating transactions involving items and users in various ways. In some situations, item transactions are coordinated by an automated Item Transaction (or “IT”) system provided via one or more computing systems, such that users of the IT system who have available items are matched with other users of the IT system who desire those items. The types of items being involved in transactions via the IT system may vary, and in some situations may include items such as music CDs, video DVDs, computer games, computer software, etc. The operation of the IT system may be enhanced in various ways, including by selecting appropriate users to receive opportunities to sell items available from those users, such as in a manner to balance supply and demand for items, and by notifying the selected users of those opportunities.

Abstract: A method of managing subscription-based services is disclosed and includes receiving configuration data from a third-party service provider at a subscription service management system, where the configuration data indicates details of a subscription-based service plan to be fulfilled by the third-party service provider. The method also includes receiving a request from a consumer to receive a service corresponding to the subscription-based service plan, where the request is received at the subscription service management system via an online site. The method also includes activating the service on behalf of the consumer, wherein the consumer is to receive the service during the subscription period. Further, the method includes sending at least one message to the third-party service provider during the subscription period, wherein the at least one message is related to a time-based trigger event associated with the subscription-based service plan.

Abstract: Techniques are described for facilitating transactions involving items and users in various ways. In some situations, item transactions are coordinated by an automated Item Transaction (or “IT”) system provided via one or more computing systems, such that users of the IT system who have available items are matched with other users of the IT system who desire those items. The types of items being involved in transactions via the IT system may vary, and in some situations may include items such as music CDs, video DVDs, computer games, computer software, etc. The operation of the IT system may be enhanced in various ways via interactions with one or more external item marketplaces, such as by automatically obtaining and using information related to users of the IT system from those marketplaces, and/or by acquiring additional items from those marketplaces for use by the IT system.

Abstract: Techniques are described for facilitating transactions involving items and users in various ways. In some situations, item transactions are coordinated by an automated Item Transaction (or “IT”) system provided via one or more computing systems, such that users of the IT system who have available items are matched with other users of the IT system who desire those items. The types of items being involved in transactions via the IT system may vary, and in some situations may include items such as music CDs, video DVDs, computer games, computer software, etc. The operation of the IT system may be enhanced in various ways via interactions with one or more external item marketplaces, such as by automatically obtaining and using information related to users of the IT system from those marketplaces, and/or by acquiring additional items from those marketplaces for use by the IT system.

Abstract: Techniques are described for facilitating transactions involving items and users in various ways. In some situations, item transactions are coordinated by an automated Item Transaction (or “IT”) system provided via one or more computing systems, such that users of the IT system who have available items are matched with other users of the IT system who desire those items. The types of items being involved in transactions via the IT system may vary, and in some situations may include items such as music CDs, video DVDs, computer games, computer software, etc. The operation of the IT system may be enhanced in various ways via interactions with one or more external item marketplaces, such as by automatically obtaining and using information related to users of the IT system from those marketplaces, and/or by acquiring additional items from those marketplaces for use by the IT system.

Abstract: A user of a computing device may see an item of interest she would like to remember for future reference. The user captures data of the item of interest and submits it to a memory enhancement service for enhancement and storage. The service submits the captured data to a human interaction task system which distributes the captured data to one or more human workers which to identify the item of interest, determine the user's interest in the item, and provide information regarding the item based on this determined interest. To facilitate the enhancement process, the user may add indications to the captured data prior to submission. Alternatively or additionally, the service may electronically submit queries to the user. The enhanced data returned from the human interaction task system is then stored by the memory enhancement service for subsequent recall by the user and possible use by the user.