In 1993, a Gartner consultant called the PDF “the dumbest idea I’ve ever heard.”
Today, 2.5 trillion PDFs are in circulation.
In AEC, the format became the Rosetta Stone, the one format every user eventually uses.
AI’s biggest payoff right now is coordination: extracting structure from fragmented, unstructured data and turning it into alignment. PDFs are AEC’s largest source of unstructured data. They should be perfect partners.
Instead: LLMs hallucinate when reading them. Column layouts get parsed horizontally. Headers become noise. A spec document becomes a wall of confusion. David Spergel described it recently: “Every drawing and PDF tells a story.” Most of them just get uploaded and never looked at again.
In construction, they carry everything: invoices, specifications, RFIs, contracts, site communications, and permit applications. Every decision that moves through a project eventually lands in a PDF. When AI can genuinely extract structure from them, not hallucinate it, but read it, coordination stops being a negotiation and starts being a function. The institutional knowledge locked in project archives becomes queryable. The decision made on Project A finally informs Project B.
The reader is here. It’s learning fast.