Research Radar
Weekly paper digests across five tracks, auto-saved to Zotero. Search, filter by track, browse by week — 57 papers and counting.
Open the tool → Training archiveRL for Ads Ranking
A daily training archive: reinforcement learning concepts applied to ads ranking. 37 lessons, each with a 10-minute Learn, a Write exercise, and a Check question.
Open the archive → Retail Media · AppRetail Media Intel
An intelligence hub that turns your Google Alerts into a longitudinal knowledge graph — ingesting articles, then generating AI briefings and trend synthesis across retail media and commerce/shopping.
Open the hub → Course · GuideThe Complete Product Owner
A comprehensive 9-module course guide for people transitioning into the Product Owner role — 39 deep-dive topics with practical guidance on Scrum and being effective in an agile environment.
Open the course → Housing · InteractiveThe Lock-In Ledger
The rate-lock effect, filterable. Every outstanding US mortgage sorted by note rate, quarter by quarter since 2013 — then cut by state and by what the house cost when it was bought. Marks the quarter 6%+ loans overtook sub-3% loans, which has already happened in West Virginia and has not happened yet in Utah.
Open the ledger → Perception · GameAfterimage
A color-memory game that doubles as a perception study. See a color for a few seconds, then rebuild it from black — scored in CIEDE2000 across seven rounds, with cellular-automata "specimen" scenes and a complement-mixing mode. Every game joins the population data; the leaderboard keeps score.
Play the study →