What it sells
World's largest online library.
Business model breakdown
Economics: what it saves and how it charges
Consumer subscription (30-day free trial) plus user-uploaded content library.
Distribution: how it reaches customers
UnverifiedSelf-serve web/app signup and search traffic to documents.
Funding history and coverage
| Round date | Stage | Amount | Investors | Source |
|---|---|---|---|---|
| — | Y Combinator Summer 2006 | — | Y Combinator | ycombinator.com |
Profiles summarize public reporting and company websites. Business-model notes are MaxBC's reading of that material, not confirmed facts; unknowns are left blank rather than guessed. Updated 2026-10-12.