Briefly: facebook timeline is terrible. Even Chrome can hardly cope with all the javascript and reflowing as you load a profile page. There's no way in hell IE6 on XP will be able to cope with it -- the rendering engine, OR EVEN the cpu. Maybe that's the whole idea - Facebook could be Microsoft's best way of forcing people to abandon IE6 (and so XP). Semi-seriously, semi-approvingly I ask: Conspiracy?