Rajaram, who previously worked on AdSense at Google, says Facebook has no current plans to do so.

FORBES: Social Advertising Now On Majority Of Facebook Page Views

Instead, Facebook is focusing on how to improve ad formats and metrics and measurement on Facebook proper, Rajaram says.

FORBES: Social Advertising Now On Majority Of Facebook Page Views

Those fans were able to give more samples away to their friends, which drove viral interest in the product, Rajaram says.

FORBES: Social Advertising Now On Majority Of Facebook Page Views

In the future, the company plans to incorporate advertisers for "client immersion sessions, " said Gokul Rajaram, Facebook's product director for ads.

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As Mr. Rajaram explains, analytics will eventually become the norm, which will push adaptation and business cycles even faster than they are today.

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But it does make it possible to send ads to actual people across their devices, which has fueled ad sales, said Gokul Rajaram, Facebook's product director for ads.

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Rajaram, founder of analytics company Mu Sigma, of Northbrook, Ill.

WSJ: Data Analytics: So, What's Your Algorithm?

"On the Web, you can create an ad even if you don't have a page post, so with mobile, marketers had to think about actively managing their pages, " said Gokul Rajaram, who manages Facebook's ads products.

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