Philosophy for the 21st century
Descartes' 'cogito' turns into an openly designed social process
Oppenheimer's "Uncommon Sense", Wittgenstein's philosophy of language, and a large variety of other resources and insights that characterized the 20th century's science and philosophy, challenged the idea that a solid foundation for knowledge work can be reached through logical reasoning. Berger and Luckmann summarized the experiences reached through anthropology and sociology by telling us that our reality picture is socially constructed.
So how about founding truth and worldview on an openly designed (or as we might say, federated) socio-technical system?