Google made its AdSense for Content and AdSense for Search revenue sharing information available "in the spirit of greater transparency," product management vice president Neal Mohan said in a blog post.

AdSense for Content is Google's tool for making money from advertising posted next to online content, while AdSense for Search focuses on making money from custom Google search engines built into websites.

AdSense for Content accounts for the "vast majority" of revenue, with publishers getting 68 percent of the Content advertising money brought in, according to Mohan.

Google's AdSense for Search partners get 51 percent of the revenue brought in by advertising put next to results of Internet searches at their webistes.

Google explained that its share of revenue reflects the company's costs, including research and development of search and AdWords technologies.

"Of course, we can't guarantee that the revenue share will never change (our costs may change significantly, for example), but we don't have any current plans to do so for any AdSense product," Mohan said.

"Over the next few months we'll begin showing the revenue shares for AdSense for content and AdSense for search right in the AdSense interface."

Google dominates the online search advertising market and in April reported that its first quarter net profit rose by more than 37 percent while revenue increased by 23 percent to 6.8 billion dollars.

The Mountain View, California-based Internet search and advertising giant said net profit in the quarter that ended on March 31 was 1.96 billion dollars, compared to 1.42 billion dollars in the same quarter a year ago.

Google chief financial officer Patrick Pichette said revenue growth was "driven by strength across all major verticals and geographies."

The amount of cash Google makes from pay-per-click online advertising climbed 15 percent from the same quarter last year, indicating the firm's revenue will improve along with the global economy.

earlier related report
Twitter bans outside advertising in tweet stream
San Francisco (AFP) May 24, 2010 - Twitter on Monday banned outside advertising in the stream of messages at the hot microblogging service.

Twitter's own "Promoted Tweets" advertising service will remain in place, allowing companies and others to place 140-character-or-less messages known as "tweets" at the top of a page of search results.

"Aside from Promoted Tweets, we will not allow any third party to inject paid tweets into a timeline on any service that leverages the Twitter API," Twitter chief operating officer Dick Costolo said in a blog post.

"As our primary concern is the long-term health and value of the network, we have and will continue to forgo near-term revenue opportunities in the service of carefully metering the impact of Promoted Tweets on the user experience."

A prime reason for the ban is to prevent ads from marring the "unique user experience" at Twitter of real time streaming comments, according to Costolo.

"A third party ad network may seek to maximize ad impressions and click through rates even if it leads to a net decrease in Twitter use due to user dissatisfaction," Costolo said.

Twitter, which has seen explosive growth since its launch four years ago, unveiled in April its Promoted Tweet plan to use advertising to turn its massive popularity into profit.

"Promoted Tweets are ordinary tweets that businesses and organizations want to highlight to a wider group of users," Twitter co-founder Biz Stone said at the time.

Twitter acknowledged the outside advertising ban would be a blow to some software makers behind applications crafted to work with the microblogging service.

"We understand that for a few of these companies, the new Terms of Service prohibit activities in which they've invested time and money," Costolo said.

"We will continue to move as quickly as we can to deliver the Annotations capability to the market so that developers everywhere can create innovative new business solutions on the growing Twitter platform."

The new terms of service will not prevent celebrities or others from getting paid to make endorsements or other promotional commentary in their tweets.

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