1. A method for linking together content users into live social networks based on similarity of content presented at an network-linked device, comprising: storing instructions on a non-transitory, machine-readable medium, the instructions being configured when executed by a network-linkable computing device, to render the computing device suitable to: recognize when a user interacts with content via the computing device; analyze one or more selected from the group consisting of the content, of metadata associated with the content, of a user-specified action relating to the content, and of a context associated with the content; notify the user, via the network-linkable device, that another user has previously accessed content that is similar to the content perceived by the user; detect an indication associated with the similar content by the other user, wherein the indication indicates a desire by the other user to establish a live social networking link relative to the similar content; notify the user that the indication is associated with the similar content; and establish a live social networking link between the user and the other user in response to an action by the user; and providing the instructions to the user.