> I’m not fully familiar with its history, but from what I understand Tencent added more and more “apps” to their chat app and eventually let third parties into

> I’m not fully familiar with its history, but from what I understand Tencent added more and more “apps” to their chat app and eventually let third parties into it. This is exactly what Facebook did in 2010: we also had third party “apps” on Facebook. They were also just iframed websites with extra APIs. It's crazy how long ago this feels. FarmVille legitimately took over the country for a bit.