Everything ActivityPub. That way you automatically have cross platform interoperability. As Yves Smith stated some time ago: https://www.nakedcapitalism.com/202

Everything ActivityPub. That way you automatically have cross platform interoperability. As Yves Smith stated some time ago: https://www.nakedcapitalism.com/2021/02/warning-if-your-business-depends-on-a-platform-you-dont-have-a-business.html https://www.nakedcapitalism.com/2021/02/warning-if-your-busi... ActivityPub is coming to kill corporate social media platforms.