On October 27th, the battle between 360 and Tencent reached its climax. Together with Kingsoft, Baidu, Maxthon, Kaspersky Lab, the five companies issued a "Joint Declaration Against 360's Unfair Competition and Strengthening Industry Self-discipline". Why did these five companies suddenly become so united and resolute? What exactly happened on the evening of October 26th in Tencent's secret meeting room? Wangyan Media will uncover the truth for you.