| > WeChat doesn't block or QoS other IM products What I mean, telecoms might block IM service because SMS market were rapidly replaced by IM apps. It was highly disputed around 2012. Wechat generates so much traffic that their poor 2.5G cell network can not handle signal storms. Not only that, Wechat had VoIP capability, which requires a high level license to operate in China. The whole OTT controversy can be found here https://www.zhihu.com/question/20847225 > WeChat works with various partners including "phone security" apps to make sure that this background process isn't being unnecessarily killed Exactly what I meant, Tencent was large enough to negotiate, while other smaller IM brands were not so lucky. Wechat's success was standing on a giant's shoulder. > because certain security vulnerabilities on older versions of Android system browsers But newer versions of android Wechat still refuse to include system default browser as webview even if it's more up-to-date and safer, no? |