27. The method of claim 21 , wherein the requested information comprises a set of content items that relate to (1) one or more actions performed by one or more other users with whom the user has established a connection in the social networking system, and (2) at least one specified URL or domain.
21. A method for providing social information, the method comprising: receiving at a server of a social networking system a request for information based on an instruction in a markup language document, wherein the request for information comprises one or more parameters for selecting the requested information, and wherein the determined requested information is selected based on the parameters, wherein the request for information is responsive to a request for a web page of a third-party website that is within a domain of a third-party website that is different from a domain of the social networking system, and wherein the markup language document includes an instruction to create a frame within the web page that includes information obtained from the social networking system, the frame comprising an iframe that contains a web page in the domain of the social networking system; identifying a user associated with the request; determining the requested information based on social information associated with the user; and sending the requested information for display in the frame of the web page.