Implementing K-Means Clustering From Scratch — and Visualising Every Iteration

From the device fingerprint logged before you do anything, to the millisecond auction that decides your worth to an advertiser — here is the full chain, and the buyer list nobody talks about.

You use machine learning dozens of times a day without realising it. No equations, no jargon, no prerequisites — just the real idea explained clearly.

After four years shipping production code, here is what AI-assisted review actually gets right, where it fails, and the workflow I use at SharinPix today.