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 catalogue.

在商业广告播放时，一个弹窗将会出现在屏幕下方，促使观众按动按钮，以索要免费样品或订阅产品目录。

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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.

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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Practical application: Give away a free sample or freebie - anything for free. Make sure it is something of real value.

实际运用：发放免费试用装或代金券——任何免费的东西都可以，但一定要是有实际价值的东西。

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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

Anyone who sends a tweet to the machine while standing in front of it will receive a free sample of BOS Ice Tea, a popular organic beverage made in South Africa from Rooibos, an indigenous plant which locals have used to make traditional tea for hundreds of years.

FORBES: Twitter-Activated Vending Machine Launched In South Africa

Available on Xbox LIVE in time for the holidays, "Karaoke" for Xbox 360 will have a selection of free sample songs that will change frequently.

ENGADGET: Karaoke for Xbox Live brings pay to play sing-alongs to your holiday parties