Aaron Parecki

https://github.com/ggerganov/kbd-audio

this tool lets you extract text from an audio recording of keyboard strokes, right now, for free

i am not making this shit up, you can potentially steal a password from an audio recording in an office

One of the most overlooked features about our AI moment is over a billion people can access, for free, to the most powerful large language models on Earth. Being rich doesn’t get you better AI.

There is nothing you need to to buy, you can just experiment. https://oneusefulthing.substack.com/p/how-to-use-ai-to-do-practical-stuff

japan's high speed shinkansen map overlaid on the west coast to scale (mirrored and rotated). this train network carries 300 million passengers a year at speeds of 150MPH-200MPH.