During commercials, an overlay will appear at the bottom of the screen, prompting viewers to press a button to request a free sample or order a coupon or a catalogue.

在广告期间，屏幕底部会出现一条信息，提示观众按下按钮以请求获得免费样品或订购优惠券或目录。

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During commercials, an overlay will appear at the bottom of the screen, prompting viewers to press a button to request a free sample or order a coupon or a catalogue.

ECONOMIST: Interactive television advertising: Shop after you drop | The