User blog comment:TheKnightOfOyashiro/Commorose might come to console versions of Battlefield 3/@comment-88.108.120.136-20120117195333

The back button is already used. Holding brings up the score board and tapping rapidly is what people do to spot lots of people or to attempt to spot far away snipers so if it was a double tap it would pop up when you don't want it to.