I spoke 🙊 at

Brandson about PostCSS. http://marcustisater.github.io/postcss-presentation/

NOX about PostCSS in depth. http://slides.com/marcustisater/postcss

IIS (Internetstiftelsen i Sverige) about the swedish WordPress community. http://slides.com/marcustisater/postcss

Upcoming talks

CSS Grid Layout, TBD