After deploying the Babelfish [1] machine translation engine at AtlaVista in the 1990s, Henry has been working on Decentralised social Networks since 2004 at Sun Microsystems when he took up foaf, contributing to the Atom Syntax syndication format, WebID Authentication, then in 201x worked on Linked Data Protocol, Social Linked Data Platform (Solid), and now is working on Access Control. He read philosophy, spent three years immersed in [2] Category Theory towards a Solid Phd, and earns a living programming in #Scala. He will also talk to you about the #WebOfNations. [1] https://www.youtube.com/watch?v=YWqHkYtREAE [2] Category Theory is the mathematics of duality, more https://web-cats.gitlab.io/