A system to display information using a display shelf of a retailer may include a first display configured to be attached to a first edge portion of the display shelf and to display information related to a first product. A second display may be configured to be attached to a second edge portion of the display shelf and to display information related to a second product. The first display and the second display can be configured to have a height similar to a height of the first and the second edge portion of the shelf. The first display and the second display may also be configured to display information related to a third product as if the first display is continuously connected to the second display as an extended display.