The people who most need to learn pay the most to.
Knowledge is one of the few things that costs nothing to copy. Yet we've built an economy where it's gatekept, overpriced, and full of dead ends, and where access is most expensive for exactly the people who can least afford it.
The figures on this page are directional and illustrative of well-documented patterns. We're compiling the fully-sourced data dossier (with citations for every number) before this page goes live. Don't treat individual figures as final.
01 · The cost wall
Learning got more expensive while it got cheaper to deliver.
Over the last few decades, the price of college textbooks has climbed far faster than general inflation: a captive market where the person assigning the book never pays for it. Tuition has outrun wages. Even "free" courses funnel toward paid certificates. The marginal cost of serving one more reader a web page is essentially zero, and yet the bill keeps going up.
~3×
Textbook prices have risen at roughly triple the pace of general inflation over recent decades.
$0
The marginal cost of serving one more learner a web page.
millions
Annual executive pay at some of the "nonprofit" organizations that gate testing and curricula.
02 · The gatekeeping
"Nonprofit" doesn't always mean what you think.
Plenty of the organizations sitting between people and knowledge are nonprofits on paper, and operate like for-profit institutions in practice, with eye-watering executive compensation and business models that depend on access staying scarce. Credentials, prerequisites, and "approved" curricula become tollbooths. We're not interested in being one more of those.
03 · The dead ends
Even free knowledge is shaped like a maze.
Say you want to understand something hard. You open a Wikipedia article and it assumes five things you don't know. Each of those assumes five more. You open twelve tabs, lose the thread, and conclude you're "not a math person." The information was free, but the structure wasn't there. Nobody mapped the path from where you are to where you want to be.
That missing structure is the real barrier. Not the price of the page, but the absence of a route through it.
04 · Why the usual suspects don't solve it
Wikipedia
Encyclopedic, not pedagogical. Tells you what a thing is, not how to build up to understanding it.
Khan Academy
Excellent, but a single author team with a fixed scope, not open contribution across every subject.
Coursera / edX
Course-locked and increasingly paywalled; the path is rigid and the certificate is the product.
OSSU & curricula
Mostly curated links to other people's content: a reading list, not a place that teaches you.
YouTube
Vast and free, but unstructured and unverified. No prerequisites, no map, no way to trust it.
Bluelearn
Self-contained guides, prerequisite-ordered, openly contributed, expert-verified, free forever.
Our answer
A free, structured, openly-owned map of human knowledge.
One prerequisite graph, written by the community, verified by experts, owned by no one. No paywalls, no dead ends, no tollbooths. That's the whole project.