Tootfinder

@… https://blackd.substack.com

David Black’s Substack | Substack
Journalist, author (London). Psychedelic Culture, Situationist Poetics, Working-Class History, Philosophy. Click to read David Black’s Substack, a Substack publication with hundreds of subscribers.

An analysis based on current valuations of OpenAI and Anthropic suggests ~$370B of philanthropic assets tied to the two AI companies are poised to become liquid (Nan Ransohoff/Nan's Substack)
https://nanransohoff.substack.com/p/the-third-wave-of-american-phila…

The third wave of American philanthropy
AI is about to generate hundreds of billions in new philanthropic funding. We have real work to do to make the most of it.

From a substack user. #testosterone 🎶🎵
https://substack.com/@scottmonty/note/c-296698330

Scott Monty (@scottmonty)
Historic footage from the Department of War.

Properties of Heavy Cosmic Nuclei Phosphorus, Chlorine, Argon, Potassium, and Calcium - Results from the Alpha Magnetic Spectrometer: #ISS #AMS02 #CosmicRays

The small, real, original web https://spacetimetech.wordpress.com/2026/07/19/the-small-real-original-web
Got my post on the small web done- it links to sites by @…

The small, real, original web
The ‘small’ web, the ‘slow’ web, or the ‘indie’ web – the non corporate, original style internet we knew and loved in the 90s and early 2000s (people just …

@… https://philm4u.substack.com

PHILM | Substack
Click to read PHILM on Substack. Launched 3 months ago.

Analysis: OpenAI and Anthropic employees are donating to campaigns more heavily and cohesively than Google, Meta, and Airbnb employees did post-IPO (Alexandra Lindsay/The San Francisco Standard)
https://sfstandard.com/2026/07/18/ai-s-…

AI’s new political donor class is already outspending Big Tech’s last one
Campaign filings show AI employees donating faster, more heavily, and more in sync than three prior tech-IPO donor classes. Here’s where the money is going.

@… https://casualarchivist.substack.com/

Casual Archivist | Elizabeth Goodspeed | Substack
An occasional newsletter of found imagery & ephemera from Elizabeth Goodspeed. Click to read Casual Archivist, by Elizabeth Goodspeed, a Substack publication with tens of thousands of subscribers.

@… https://brownebag.substack.com/

The DBrief | David Browne | Substack
Journalist, music historian, author ("Talkin' Greenwich Village," bios of CSNY, the Dead, Jeff Buckley, Sonic Youth), Rolling Stone contributor. Click to read The DBrief, by David Browne, a Substack publication with hundreds of subscribers.

A profile of Maria Davidson, who heads California Renewal, a pro-business political group backed by Silicon Valley power players, seeking to raise $100M in 2026 (Emily Shugerman/The San Francisco Standard)
https://sfstandard.com/2026/04/19/maria-davidson-…

How a little-known founder is trying to change Calif. politics — to the tune of $1 billion
You may not have heard of Maria Davidson, but tech investors like Joe Lonsdale and Garry Tan trust her with their political ambitions.