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The Letter S, by Donald Knuth (1980) [pdf]

A Letter from Dijkstra on APL (1982)

Google signs classified Pentagon AI deal but exits $100 million drone swarm program — report claims employees revolted over ethical fears, delivered letter to CEO Pichai

Google employees ask Sundar Pichai to say no to classified military AI use / After a report that Google is in talks with the Pentagon, hundreds of employees signed a letter against the idea.

Apple App Store threatened to remove Grok over deepfakes: Letter

A letter to John Ternus

America’s Self-Proclaimed Free Speech Warrior, Brendan Carr, Gets A Letter Documenting His First Amendment Violations

Apple CEO Tim Cook Shares '50 Years of Thinking Different' Letter

Defense experts defend Anthropic in letter to Congress, slam DoD for setting ‘dangerous precedent’

Lawmakers Demand DHS Define ‘Domestic Terrorist’ As It Uses Vast Array of Surveillance Tools | Rep. Bennie G. Thompson and other Democrats made the demand in a letter to DHS Kristi Noem. “Your actions are abhorrent, blatantly unconstitutional, and corrosive to the functioning of a peaceful society.”

Disney sends cease and desist letter to ByteDance over Seedance 2.0

Nearly a thousand Google workers sign letter urging company to divest from ICE, CBP

New York State Gaming Commission says it’s re-examining all player prop bets in letter

Bluementhals letter about ICE memo justifying entry into homes without warrant [pdf]

Letter from a Birmingham Jail (1963)

To those who fired or didn't hire tech writers because of AI

A New Year's letter to a young person

Ukrainian soldier's M1 MacBook Air takes direct shrapnel hit, saving his life — screen cracked and letter 'K' missing but laptop remains functional

2025 Letter

Disney Hits Google With AI Copyright Infringement Cease-and-Desist Letter