The complete guide to AI cache hits
Explore the mechanics and limits of prompt caching through 12,554 real turns, a calculator, and hands-on simulations.
TESTING TOMORROW’S AI TODAY
Tomorrow’s AI, tried today.
I try new AI first and explain, clearly and playfully, how it may change our work, lives, and roles.
The collection
All articlesThe era of the ₩890,000 Mac mini is over
Base M6 Mac mini: ₩1,499,000 — up 68% from its 2024 launch price of ₩890,000. The 64GB configuration rose from 299 to ₩5,030,000. A price analysis of an era in which memory, not performance, determines the price.
Recent observations
It Looked Like a Detour, but I Learned by Doing
My path led from computers and game streaming through mining and blockchain to AI. This is a record of what remained after trials that cannot be summed up as success, and why I am once again trying to learn by doing.
I Built a Website by Talking to AI While Hiking
For an hour and a half on the way up Gwanaksan, I ran an experiment: using only voice conversation, I went from planning to code to deployment. The experience pointed to a fading keyboard and an AI landscape that has quietly begun to turn upside down.
Soga's standard
Beyond the grand claim that “AI changes everything,”About
I look at what changes in our first 30 minutes tomorrow.
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