Ng Han Guan/AP Photo A federal judge on Friday denied Google's request for dismissal in incognito mode tracking case. The complaint said users weren't notified Google collected data even during private browsing. "'Incognito' does not mean 'invisible,'" Google's lawyers wrote. A federal judge denied Google's motion to dismiss a lawsuit accusing the search giant of tracking users even while they were using incognito mode on their browsers. The suit, Brown v. Google, alleged that Google collected data when users were using Chrome's private browsing mode. In some instances, other websites that used Google Analytics or Google Ad Manager sent "a secrete, separate message to Google's servers in California," the suit said.