http://lainyubrp2aabmxhepbttfdbl53dct2inqifs42buvpf6w44uiitbeqd.onion/blog/matrix.html
Like, it's the main and only feature, why I'm still using matrix for my communications. I'd sit in jabber and tolerate all the flaws, but you know, there's no point in a IM server if no one will communicate with me :).