Serena Williams who was born September 26, 1981, did a game ad for ESPN Sports for a Tennis game as well as a spot for a smart phone in 2012 following her two gold medals at the Olympic Games.
The ad side of a tennis court is the players left side. Or the opponents right side.
It is either ad in or ad out. If the server won the point it is ad in and if the returner won the point then it is ad out.
When serving or returning, there is a deuce side and an ad side. The deuce side is on the right, the ad side is on the left.
ad in, Ashe
advantage in favor of the server in tennis; advantage in favor of the receiver. Terms used after a deuce, i.e., 30-all.
Keynesian model is able to show how leakages and injections can influence the economy. AD-AS model is able to show changes in prices (inflation).
after you get deuce and the server wins the point. You call it 'ad in'