Microsoft, Yahoo and AOL online advertising business working together to attack Google and Facebook. The third alliance of computer and internet giant that will provide advertising space at a cheaper price. The plan, starting next January.

Ross Levinsohn, executive vice president of Yahoo, said the alliance of three giants such as 'fundamental rethinking' of Internet advertising market. Microsoft, Yahoo and AOL does require a shift in the online advertising market that is now likely to flow into the Google and Facebook.

After dominating the search engines, Google Inc.. now become more powerful in the field of advertising after buying DoubleClick advertising services in 2008. This purchase allows Google to display ads in the form of text and graphics display. Facebook also continues to be an option because advertisers become the most popular online hangout place. This makes up, according to eMarketer Inc research., Controls 16 percent share of the online advertising market, the highest in the United States.

Despite bringing together all its resources, both Microsoft, Yahoo, and AOL remain independent and ready to compete alone, with a separate marketing team. This is to avoid the rules of business competition in the U.S..