Grade your growth rate using Paul Graham's two-number math
Revenue growth calculator when a spreadsheet does the same math.

WebGPU avatar rendering is slick, but Character.ai already does AI personas better.
Startup founders, YC applicants, Paul Graham readers
Character.ai · Replika · Pi AI
TLDR: it’s a PG avatar trained on his essays and the avatar renders on webgpu, give it a shot and ask it about the hardest problem you are facing in your startup right now. If you like the avatars answer you can share your conversation here!
Revenue growth calculator when a spreadsheet does the same math.
Inverse material rendering in browser that's faster than m-xr's marso and academic papers.
Pinch gesture controls text density, turning static essays into interactive summaries.
Implements Paul Graham's intellectual CAPTCHA idea with Face ID verification and logic gates.
Paul Graham's intellectual CAPTCHA idea implemented, but social networks are incredibly crowded.
Paul Graham's CAPTCHA idea implemented, but friction may kill network effects before quality improves.