A collection of books, essays, blog posts, and poetry exploring technology, education, startups, and life.
3rd Edition • 2012 • 20 pages
Essential guide for startup founders and employees on equity compensation.
Unfinished Draft • 2000 • 2 chapters
Historical document from the early days of digital music distribution.
November 2003 • Educational Reform
Reimagining higher education through peer-to-peer learning and practical life skills.
Various • Professional Speaking
Conference talks and presentations on technology, startups, and innovation.
Conversations with entrepreneurs, technologists, and innovators exploring the intersection of technology, business, and society.
Cyrinx is now open source and live at cyrinx.org. It's a research modem that moves real data through the air as sound, from a laptop speaker to a phone microphone, with no radio, no pairing, and no network. Byte-verified at 36.6 kbps between a MacBook and a Pixel 7a.
A phishing email landed on a mailing list I'm on. Google had scanned the attachment and called it safe. It wasn't: behind it was a live Browser-in-the-Middle kit that steals your Google session in real time and walks straight through two-factor. Here's what was hiding behind the blob URL, and how it builds on what other researchers have found.
A new Vendor Spending page, under Budget, indexes a decade-plus of district checks: search any vendor, see year-by-year totals, browse by category. And it answers the obvious question — did we really triple our spending? Mostly no: the big swings are bond construction and pass-through, not baseline operating.
Historical • Digital Music
David's personal journey discovering MP3 technology and founding the MP3 Audio Consortium.
1995 • Computer Science
Early artificial intelligence project creating an Othello game with strategic AI opponent.
Various • Personal Reflections
Personal poetry exploring themes of technology, life, and human experience.
Follow along for new writing, ideas, and insights on technology, startups, and life.