2. The method of claim 1 , further comprising: receiving one or more actions taken by the viewing user on the interface; and modifying one or more user interface elements of the web page outside the interface in response to the one or more actions.
2. The method of claim 1 , further comprising: receiving one or more actions taken by the viewing user on the interface; and modifying one or more user interface elements of the web page outside the interface in response to the one or more actions. 3. The method of claim 2 , wherein the modified user interface elements comprise indications on the web page of purchases made by or ratings provided by one or more users to whom the viewing user is connected.