In one embodiment, a method includes receiving program content and data describing program content from a content source, and automatically identifying, based on user preferences of a first user, one or more relevant products or services displayed in the program content. Product-related metadata associated with the program content is identified. The product-related metadata including data relating to the one or more relevant products or services displayed in the program content. The program content is communicated to a display device for presentation to a first user in a first portion of the display device, and the product-related metadata is communicated to a second display device for presentation to a second user substantially simultaneously with the presentation of the program content in the first display device. A user commentary is received from the second device, the user commentary generated by the second user and associated with the program content or product-related metadata.