Following Tencent's open letter to its QQ users, Baidu has also been reported to be incompatible with 360.
As some Weibo users have said, if Baidu is not compatible with 360, then I'll just use Google! This is a matter between 360 and QQ, why should we get involved? You should consider whether you have the right to demand that users be compatible with you. I can use soso, google, yahoo, sogou...