Greg Isenberg's 39 'legacy company + agent' startup ideas — 10 already built by the companies themselves
FinanceYF5 · x · 2026-10-29
This video walks through all 39 AI startup ideas listed by startup influencer Greg Isenberg (posted on X, 2026-10-23), explaining each one: what it is, why it makes sense, where the value is, and who's building it now.
Two key observations: first, 10 of the ideas' namesake legacy companies have already built them themselves; second, all 39 follow one formula — "legacy company + an agent version," i.e., redoing one slice of a traditional business with AI that acts autonomously.
For founders, it doubles as both an idea list and a map of which gaps are still open. Note: voiceover and animation are AI-generated; this is a secondary take on the original post.
Related event: VC influencer lists 39 "incumbent + Agent" startup ideas(2 posts)→
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