An improvement from 36% to 77% over two months came from people watching River work
Tobi LütkeCo-founder and Chief Executive Officer · Executive, 
Shopify
Social post: Learning on the Shop floor, X post by Tobi Lütke, CEO (long-form article "Learning on the Shop floor"), May 9, 2026.
Tobi Lütke, Co-founder and Chief Executive Officer. Runs the company and wrote its April 2025 AI-before-headcount memo, so Lütke speaks first-hand about internal AI use. Lütke also promotes Shopify, so numbers Lütke gives are self-reported.
Checked against the source by a first reader, then confirmed independently by a second reader who fetched the source without seeing the first reader's notes (Independent review agent (Claude Sonnet), blind second pass from passage text and citation only, no repository access, 2026-10-31).
The article body reads 'An improvement from 36% to 77% over two months came from people watching River work, noticing where it got stuck...'. The passage is an exact prefix of that sentence, cut before the comma.
Tobi Lütke (Shopify), “Learning on the Shop floor”, X post by Tobi Lütke, CEO (long-form article "Learning on the Shop floor"), 2026-05-09. https://x.com/tobi/status/2053121182044451016 Archived at https://the-ai-record.com/passages/shopify-improvement-36-77-over-two-months-came-2026
About one in eight pull requests merged into our codebase last week was authored by River, reviewed by us.
Tobi LütkeCo-founder and Chief Executive Officer · Executive, Shopify
Social post: Learning on the Shop floor, X post by Tobi Lutke, CEO, May 9, 2026.
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