Web based PDF dual screen viewer for Beamer presentations.
Includes a magic command to embed any non-embedded fonts in an existing PDF. This is golden. Especially for people with rather less good PDF readers.
This was brought up by an FSF member at Libre Planet next year. Nice to see closure on this.
Details on the "Deyoining Device" and how to use it.
Antifeatures as a way of saving the environment.