The Stack Exchange engine draws inspiration from a number of sources.
We continue to be great admirers of Wikipedia, but we’ve always missed out on one crucial aspect of their system: we never allowed anonymous users to edit content. No, that required earning privileges through participation — specifically, the retag privilege at 500 reputation and the full editing privilege at 2000 reputation.
Well, as of today, I’m proud to announce that we allow anonymous and new users to edit content in our system! The surface area of this change is huge — it means the millions of drive-by anonymous users that visit our sites every day can submit an improvement or correction. Furthermore, you can earn up to +1000 reputation for submitting valid edits. …