Presentation of Stream Content Related to a Canonical Identifier

A system comprising a processor and a memory storing instructions that, when executed, cause the system to receive an input related to a widget on a website; receive a canonical identifier from the widget; determine an identification for a user; determine a social signal for the identified user; produce a stream of related content using the canonical identifier, the identification and the social signal; generate a user interface element for display of the stream of related content; and provide the user interface element for presentation to the user. The disclosure also includes similar methods and computer program products.