1. A method comprising: receiving, using one or more visual sensors of a scanner device, information from a dynamic display device, wherein receiving the information from the dynamic display device comprises receiving information that identifies a position on the dynamic display device; and transmitting, from the scanner device to a first computer system, an information-request that includes the information from the dynamic display device, wherein the information from the dynamic display device identifies or can be used to identify content to be provided to a scanner-associated device; and determining text currently being displayed at the position on the dynamic display device without receiving, from the dynamic display device, data directly representing an image of the text.
2. The method of claim 1 , further comprising: transmitting, from the scanner device to the first computer system, a timestamp indicating a time at which at least one of the visual sensors receives the information from the dynamic display device; and determining text that was displayed at the position on the dynamic display device at the time indicated by the timestamp.