Segno: a sourced timeline of AI from 2013 to today with 313 entries and 292 sources

New-Technology-7158 · reddit · 2026-11-02

A Reddit user built Segno (segno.app) after realizing that tracking AI news had become a second job. It's a timeline of AI from 2013 to today across six lanes — models, measured capabilities, research, market, culture, and policy — all on one axis so you can see what shipped, what surrounded it, and which regulation followed (or didn't). It has 313 entries with 292 sources, each with a stable link and no hand-waving. A sentiment band above the Culture lane shows swings in public tone between enthusiasm and fear, explicitly framed as an editorial reading rather than a scientific score. The author invites criticism and corrections via a feedback page.

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