Google could make voluntary changes to its search algorithm that would limit the use of restaurant and travel reviews from other Web sites and allow the ability to easily port search campaigns into rival services, reports Politico. It would end an antitrust probe by the U.S. Federal Trade Commission. The news organization tells us the FTC is prepared to settle over how the company uses its patents against competitors if the changes are made. The agreement means curtailing patents that it picked up with the Motorola acquisition to block competitors from infringing on the technology.