Abstract: A computerized exchange network makes available on the Internet collected information of items under inspection, such as goods, real estate, or the like. In one aspect, the items and collected information, such as images and videos, are added to a virtual showroom or other virtual inspection site that presents an inventory of such goods, real estate, or the like available from multiple sellers and/or locations. In another aspect, detailed objective information about the items is provided. In another aspect, a data structure includes desired criteria for a desired item and provides an alert when an item of interest matches the desired criteria.

Abstract: A method for presenting EPG user interface, including: in response to a first input command, displaying an EPG user interface including a first presentation page; and in response to a second input command, switching the EPG user interface from the first presentation page to a second presentation page, where the first presentation page includes a first set of channels and programs in a first time period corresponding to the first set of channels; and the second presentation page includes the first set of channels and programs in a second time period corresponding to the first set of channels.