social update (n)~ An action taken on Windows Live or on partner websites such as Facebook that is considered to have social relevance and that might appear in an activity feed. For example photo activity and status updates are considered to be socially relevant. Within Windows Live friends see one another’s relevant actions in feeds within Messenger on Windows Live Home and other places. Depending on the partner and their settings actions that a customer takes on Windows Live may be visible on partner sites actions they take on partner sites may be visible on Windows Live or both.