en instructed by CBS to tell players to stay down after they were tackled so commercials could be shown during games. In fact, highlights uploaded to thousands of accounts are effectively free advertising. ginning of this year, in which he said he would have been happy if his opponent that day, Rafa Nadal, had won. about the only option of playing at a “rotting, fog-ridden, windswept stadium called Kezar Stadium in the Golden Gate Park.