28d
Reading this gave me a small framework I expect to use going forward, and a stop at 28d extended that framework, content that produces transferable mental models rather than just specific facts is content with multiplicative value and this site is providing those models at a rate that justifies extra attention from me regularly.
siriussuperb
Coming back to this one, definitely, and a quick visit to siriussuperb only made me more sure of that, the kind of writing that makes you want to set aside time later rather than rushing through it now while distracted by everything else competing for attention on the screen today across so many tabs.