1. A method performed by one or more computers, the method comprising: receiving a request to initiate a local expert session from a user; identifying available local experts in response to the request, wherein a local expert is a user who has registered to offer local expert sessions in a geographic location relevant to the physical location of the user; selecting an available local expert; and initiating a local expert session between the user and the selected local expert, wherein initiating the local expert session comprises providing video captured by a 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.