PDF is an abbreviation typically for either Portable Document Format (see pdf;dr), or Personal Democracy Forum, an annual conference where several IndieWeb and microformats related talks & sessions have been held.
See Also
- 2018-03-05 Vice/Tedium: Why the PDF Is Secretly the World's Most Important File Format
- https://twitter.com/LegacyRussell/status/1366584145271488522?s=20 โhave you ever tried to copy and paste text from a PDF itโs like scraping plastic off a frying panโ
- "have you ever tried to copy and paste text from a PDF itโs like scraping plastic off a frying pan" @LegacyRussell March 2, 2021