Google Tests Pay-Per-Phone-Call Ads http://www.seouni.com/google-news/search-engine... Google Inc., one of the search engine giants in the industry, has begun its trial on a new service called pay-per-phone-call ads, a promising online ad model combined with the pay-per-click ads system. The Pay-Per-Phone-Call ads will allow the consumers and advertisers to be linked by phone. According to the Kelsey Group, spending on online advertisements such as Google’s new development, could reach approximately US$4.1 billion in 2009.