M. Fioretti#Germany just did exactly what I've been preaching for TWENTY years now:
Just Say No to OpenXML:
https://www.linuxjournal.com/article/9594#mpart8
How file formats can favor (or hamper) innovation, active citizenship and really free markets:
THAT IS, break digital monopolies in the right place, which is open FILE FORMATS, before and regardless of #opensource / #freesoftware
YAY!
