Disclosed is a social networking system which provides personal pages for users and enables other users to modify the personal page of a given user. Generally, a given webpage is enabled to be collaboratively modified and edited by multiple users. In some embodiments, the owner of the personal page approves the trusted users and may define one or more rules that automatically define a trusted user. In some embodiments, rules for modifying/editing a social webpage may specify the type of operations users can perform on the page and may specify one or more potential target actions.