18:31 Unlocked 'Ghost rider's here!' in 'Battlefield: Bad Company 2' http://tinyurl.com/yfm3woa #xboxtweet 17:11 Unlocked 'Taxi!' in 'Battlefield: Bad Company 2' http://tinyurl.com/yzu5t9f #xboxtweet 16:51 Unlocked 'Alright, here it is.' i…