EnContext Advertising allows viewers to click on items in videos and be connected to websites with information or purchasing options for those items. The system links items to a database that selects the most relevant webpage based on location, item, and business rules. Viewers can click on an item to instantly access an advertiser's website. EnContext generates revenue through fees from encoding videos, handling clicks, hosting content, and managing ads for advertisers. It aims to redefine advertising for broadcast and internet television.