Google was a pioneer in the pay-per-click advertising world, and it is reaping the benefits.

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To join a Trada-led campaign, a search expert must first pass an aptitude test on pay-per-click advertising.

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The CEO of Idealab and Ubermedia is best-known for coming up with the pay-per-click advertising model, with GoTo.com (later renamed Overture and sold to Yahoo), that Google ran with to fame and riches.

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Is my product suitable for pay-per-click advertising?

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You could specialize in pay-per-click (PPC) advertising, or make a killer social media manager.

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To be sure, the move toward search ads isn't strictly new, argues eMarketer analyst David Hallerman--the trickle of advertising funds from banner ads to pay-per-click search ads has been a slow process, he says.

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There are many small and mid-sized businesses generating advertising revenue, pay-per-click, from their YouTube channel.

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Zamani is betting that online advertising will change from a pay-per-click to a pay-per-lead system.

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