Add social.enabled to the Important Modified Preferences in about:support. We need this to help troubleshoot potential issues with the Social API after it has shipped.
Created attachment 660259 [details] [diff] [review] Patch
How about also adding social.active and social.sidebar.open?
Created attachment 660373 [details] [diff] [review] Patch v2 With the other two prefs. social.sidebar.open defaults to true, so this pref will only show up in about:support if the user has disabled the sidebar.
Created attachment 660375 [details] [diff] [review] Patch for checkin