HTTPSEverywhere breaks TripAdvisor.com in Chrome for Mac
In order to use login or facebook connect buttons on TripAdvisor.com in Chrome for Mac, HTTPSEverywhere has to be disabled.
See others facing the same issue: http://www.tripadvisor.com/ShowTopic-g1-i12105-k7540056-Login_Homepage_Issues_On_Google_Chrome-TripAdvisor_Support.html#59004892