The printing press is the historical precedent at the heart of the cultural technology thesis. Johannes Gutenberg's introduction of movable-type printing in the mid-fifteenth century did not produce a single original insight. It did not think, reason, or generate new knowledge. It made existing knowledge dramatically more accessible, more reproducible, and more widely distributed — and in doing so, it reshaped European society more profoundly than any individual mind ever had. The Reformation, the Scientific Revolution, the rise of the public sphere, the emergence of the novel, the democratization of literacy: each of these transformations was enabled not by new thinking but by the new medium through which thinking moved. This is the model, Gopnik argues, for understanding what LLMs are doing to contemporary cognition.
The printing press illustrates the core claim that cultural technologies reshape cognition and society without themselves being cognitive agents. The press had no mind. It had no goals. It had no understanding of what it printed. And yet its effects were civilization-scale: it changed what people could know, how they learned, what authority structures they trusted, and how the cognitive habits of literate adults were shaped.
The analogy illuminates what LLMs do and what they do not do. An LLM, like a press, is a transmission medium. It does not originate insights; it makes existing insights more accessible, more versatile, and more efficiently deployable. The dynamic is indirect rather than direct: the cultural technology amplifies human capacity, and the amplified human capacity produces the new knowledge, and the new knowledge is then transmitted by the technology to further amplify further capacity. The technology is the vehicle, not the driver. The agency remains with human minds.
The printing press also illustrates what cultural technologies change. The medium, as Marshall McLuhan famously argued, is the message — not because content does not matter, but because the medium reshapes the cognitive environment in which content is received. Print reduced the cognitive load of remembering and increased the cognitive load of interpreting. It shifted authority from oral tradition to the printed text. It made possible the private reader, the silent study, the personal library. Each shift had consequences that no one designed and that only became visible in retrospect.
LLMs are reshaping the cognitive environment in real time, in ways the cultural-technology framing makes visible and the 'intelligent agent' framing obscures. If you think of AI as a mind, you ask: What does it think? What does it want? Is it aligned? These are questions about a nonexistent agent. If you think of AI as a cultural technology, you ask: What cognitive habits does it cultivate? What kinds of thinking does it reward? What kinds of thinking does it make unnecessary? What happens to the balance between exploration and exploitation when exploitation has been amplified by orders of magnitude? These are questions about media, culture, and political economy — questions that developmental psychology, sociology, and history can illuminate.
Gutenberg introduced his printing press in Mainz around 1450, producing the famous 42-line Bible around 1455. The technology spread through Europe with remarkable speed: by 1500, printing presses operated in more than two hundred cities, and perhaps twenty million books had been printed — more than had been produced by all European scribes in the previous thousand years. The press's cultural effects were studied systematically in Elizabeth Eisenstein's The Printing Press as an Agent of Change (1979), which became the touchstone historical account and which directly informs Gopnik, Farrell, Shalizi, and Evans's 2025 Science paper.
Massive cultural impact without agency. The press had no mind, but its effects were civilization-scale.
Transmission, not origination. The press amplified existing knowledge; it did not produce new knowledge.
Reshapes cognitive ecology. The medium changed what kinds of thinking were rewarded, what authority structures were trusted, what cognitive habits developed.
Indirect empowerment of minds. The amplified access to existing thought enabled human minds to produce the new thinking the press then transmitted.
The model for understanding LLMs. Not as agents but as transmission media whose effects are cultural and institutional rather than personal.