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How We Use AI

Sources checked October 24, 2026

AnalysisHow much will companies spend checking AI agents' work? →

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All the research behind How We Use AI in one ZIP file: 14 documents, the sources each one links to, six briefs, five source compilations and the 48 facts our pages quote (5.2 MB).

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Data files behind the pages, checked on October 28, 2026 (big-tech-capex.csv) and October 25, 2026 (btos-ai-national.json)
FileWhat it holdsSource
big-tech-capex.csvQuarterly purchases of property and equipment of Microsoft, Alphabet, Amazon, Meta and Oracle, with the filing, accession number and XBRL tag for each figureSEC filings
btos-ai-national.jsonShare of US businesses using AI, and expecting to, by two-week survey period, as published by the Census BureauUS Census Bureau, Business Trends and Outlook Survey, AI use

The big tech capex file is rebuilt from the SEC's company facts by fetch_capex.py; the tracker page and every sum on it are computed from that file.

TODO for Robb: add each source's license and redistribution rule (open, or cite-only), and the AI at Work Dataset once it is published.

Ask your own AI tools

We plan to offer the data through an MCP server, so AI tools can query it directly.

TODO for Robb: the MCP server isn't built; remove this section or link it when it is.

How to cite

See How to cite How We Use AI.

The AI at Work Benchmark

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