A problem in using outdoor advertising is that of getting reliable data on the number of people who actually see an advertisement.

使用户外广告的一个问题是如何获得关于实际看到广告的人数的可靠数据。

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The Internet offers various yardsticks, from traffic to cheerleading websites to Numbers of Facebook fans, whereas the number of people who see a conventional advertisement is much harder to gauge.

互联网提供了各种评价标准——流量、后援网站、大量脸谱网迷等等，而统计传统广告的观众人数却大为困难。

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In South Korea a 15-second advertisement on mobile television costs less than one-tenth of what it would take to reach the same number of viewers on broadcast television.

在韩国，当观看人数相同时，投放一段15秒钟的手机电视广告的费用不到广播电视的十分之一。

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According to OgilvyOne's Mandel, seven times more people texted in their responses than those who called in the company's 1-800 number that was also in the advertisement.

FORBES: CMO Network

Those bodies could bring to three the number of deaths connected to an advertisement placed on Craigslist seeking a caretaker for a 688-acre cattle ranch outside Akron, Ohio.

WSJ: Toll of Alleged Online Plot May Rise to Three

Mr Cox also suggested that increased competition due to a larger number of channels available would increase pressure on advertisement-funded channels.

BBC: licence fee under fire again