Talk slides are available in pdf. A script is available for the demo parts.
Install xelatex with most of the plugins via your distro. Either xelatex or lualatex are required for the fontspec package to work.
Install the IBMPlex font from https://github.com/IBM/plex.
To build the example just run:
% xelatex cdevents_roadmap.tex.texthe output will be cdevents_roadmap.tex.pdf.