Computer-implemented methods for simultaneously viewing a playing multimedia and shopping for a product currently appearing in it comprising: providing, by a computer, an interface for playing the multimedia; providing, by the computer, an interface for selecting the product appearing in the playing multimedia to place the product into a shopping cart without stopping or pausing the playing multimedia, provided that the product is not visually distinguished as selectable, the shopping cart appearing temporarily when the product is added without disturbing the playing multimedia, the selection of the product visually indicated by a graphic icon moving into the shopping cart; providing, by the computer, an interface for accessing the shopping cart at the end of the viewing period; and providing, by the computer, an interface for purchasing, renting, or saving the product or accessing information of the product in the shopping cart at the end of the viewing period.