This week has been about FLoC privacy, matrix-based graphs, APL, Photopea and Lean.
An interactive book showing how to use Lean to proof by induction natural numbers.
An article exploring some downsides of global unique identifierse and potential alternatives.
A summary of the analysis of FLoC privacy conducted by Mozilla.
In short, FLoC is a bad idea. Does not protect from fingerprinting, general user tracking and countermeasures are insufficient. And although the analysis doesn't cover it, it's also a monopolistic move.
A short introduction to graphs using a matrix-based approach.
An interactive tutorial to learn APL.
A web tool to edit PSD, Sketch, Gimp and more. Poses as an alternative to Photoshop.