The technology for creating virtual advertisements has been around since 1995. Originally this type of advertising was used in sporting events. Virtual advertisements were placed where real advertisements would be distracting to players. For example, at a baseball game, the wall behind the batter and the umpire is called the backstop. Using computer technology, pictures of products and slogans can be drawn onto this wall and then broadcast during the game. Viewers of the game at home will see huge red and white advertisements for Coca-Cola plastered all across the backstop. But the pitcher in the stadium only sees the blank wall of the backstop. Advertisements can also be drawn by computers in the grass-covered center field at a soccer game or on the side of a virtual blimp drawn on the sky over the stadium. 【題組】12 When virtual advertisements are used in a baseball game, who will see the ads on the backstop?
(A) TV viewers at home (B) The batter (C) The umpire (D) The pitcher
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