I wonder if Tik Tok, Zoom, Wechat, Didi, and other "Chinese Developed" Apps have call backs to American companies.

Is Google, Facebook, Etc, helping with the development of these apps?

https://www.wechat.com/

http://didi.cn/

https://www.tiktok.com/

http://www.baidu.com/

https://youku.com/

https://www.weibo.com/

https://www.qq.com/

http://tencent.com/