1. A method performed by one or more computers, the method comprising: receiving, by a local expert session system, a request to initiate a local expert session from a user of the local expert session system; determining, by the local expert session system, a physical location in which the user is currently located from coordinates received from a session accessory worn by the user, wherein the session accessory worn by the user of the local expert session system captures video from a point of view of the user; identifying, by the local expert session system, a plurality of local experts, wherein each local expert is a user of the local expert session system who has been recognized by the local expert session system as an expert on a point of interest that is near to the physical location in which the user is currently located; identifying, by the local expert session system and from the plurality of local experts, local experts that are available to participate in the local expert session; selecting an available local expert; initiating, by the local expert session system, a local expert session between the user and the selected local expert, wherein initiating the local expert session comprises providing video captured by the session accessory worn by the user to a user device for presentation to the selected local expert and establishing communication between the user and the selected local expert; and during the local expert session, (i) receiving, by the local expert session system and from the user device that presents video captured by the session accessory, a request to adjust a video input device of the session accessory; and (ii) transmitting, by the local expert session and to the session accessory, instructions that cause the session accessory to adjust the video input device according to the request.