11. A method comprising: sending for display to one or more of a plurality of users of a social networking system a plurality of comments received for a conversation in a tree-branch configuration such that comments added to the conversation are displayed in association with existing comments to which they respond; receiving from a responding user a request to insert a response to one of a plurality of comments in the conversation; in response to receiving the request to insert, providing a comment editor input box within a conversation interface for managing conversations in the social networking system, wherein the tree-branch configuration expands to provide space for the comment editor input box; providing a search box within the comment editor input box for searching content; receiving a search term in the included search box from the responding user; sending for display to the responding user one or more search results for the search term; receiving a selection of one of the search results from the responding user; including content from the selected search result into a response of the responding user within the comment editor input box, such that, when posted by the responding user and displayed to one or more of the plurality of users, the content from the selected search result is displayed in the conversation interface; and receiving a request from the responding user to post the response from within the comment editor input box.
11. A method comprising: sending for display to one or more of a plurality of users of a social networking system a plurality of comments received for a conversation in a tree-branch configuration such that comments added to the conversation are displayed in association with existing comments to which they respond; receiving from a responding user a request to insert a response to one of a plurality of comments in the conversation; in response to receiving the request to insert, providing a comment editor input box within a conversation interface for managing conversations in the social networking system, wherein the tree-branch configuration expands to provide space for the comment editor input box; providing a search box within the comment editor input box for searching content; receiving a search term in the included search box from the responding user; sending for display to the responding user one or more search results for the search term; receiving a selection of one of the search results from the responding user; including content from the selected search result into a response of the responding user within the comment editor input box, such that, when posted by the responding user and displayed to one or more of the plurality of users, the content from the selected search result is displayed in the conversation interface; and receiving a request from the responding user to post the response from within the comment editor input box. 19. The method of claim 11 , wherein the request to insert a response to one of the comments from the responding user specifies an intermediate location of the one of the comments.