# Linus' Law [[Given enough eyeballs, all bugs are shallow]] Formulated by [[Eric S. Raymond]] in [[The Cathedral and the Bazaar (book)]] Another explanation: Given a large enough beta test and co-developer base, almost every problem will be characterized quickly and the fix obvious to someone. Researchers and practitioners have repeatedly shown the effectiveness of reviewing processes in finding bugs and security issues. In [[Facts and Fallacies of Software Engineering (book)]], [[Robert L. Glass]] refers to the law as a "mantra" of the Open Source movement, but calls it a fallacy due to the lack of supporting evidence and because research has indicated that the rate at which additional bugs are uncovered does not scale linearly with the number of reviewers; rather, there is a small maximum number of useful reviewers, between two and four, and additional reviewers above this number uncover bugs at a much lower rate. ## References - https://en.wikipedia.org/wiki/Linus%27s_law