06Guides
Field guides
A field guide is one dataset given a shape: a century of research on a timeline, the same century on a wheel. Every mark on it can be hovered, filtered, exported as a picture, and traced to a numbered source at the foot of the page.
№ 001
A Century of Asking
Market research from Parlin's department at Curtis Publishing in 1911 to the language model: twelve decades, the instrument that defined each one, and the people who brought it.
12 eras, 53 dated events, 42 sourcesTimeline · Wheel · LedgerLast checked 27 October 2026
№ 002
The Insights Stack
The consumer insights and market research vendors, who owns them, and every change of hands since 2015 we could trace to a public source. Nine categories, from sample to synthetic respondents.
210 vendors, 266 ownership events, 224 sourcesWheel · Ownership map · Timeline · LedgerLast checked 27 October 2026
More guides follow as the datasets are built. Each one is numbered so it can be cited, and each one says when its sources were last checked.