Riot: "We hide enemy team's borders (rank) and Champion Mastery to limit info before game..."

"... but everyone knows we let you op.gg or lolnexus or lolking anyone you face for even more info regardless"

http://i3.kym-cdn.com/entries/icons/facebook/000/018/489/nick-young-confused-face-300x256_nqlyaa.jpg