1. A method implemented by a computing device, wherein the computing device determines whether a real estate property is subject to a real estate listing, the method comprising: receiving positioning information from a mobile device, wherein the positioning information is associated with a real-time video stream being captured by the mobile device; identifying, based at least partially on the positioning information, the real estate property; determining if the real estate property is subject to a real estate listing; presenting, on the mobile device, information about the real estate listing; presenting, on the mobile device, a graphical indication of whether the real estate property is subject to the real estate listing; and superimposing, over the real-time video stream being captured by the mobile device, the graphical indication of whether the real estate property is subject to the real estate listing.