Except it's not true. Here's the relevant part of the terms of service at https://stackoverflow.com/legal/terms-of-service/public#licensing https://stackoverflo

Except it's not true. Here's the relevant part of the terms of service at https://stackoverflow.com/legal/terms-of-service/public#licensing https://stackoverflow.com/legal/terms-of-service/public#lice... : > You agree that any and all content, including without limitation any and all text, graphics, logos, tools, photographs, images, illustrations, software or source code, audio and video, animations, and product feedback (collectively, “Content”) that you provide to the public Network (collectively, “Subscriber Content”), is perpetually and irrevocably licensed to Stack Overflow on a worldwide, royalty-free, non-exclusive basis pursuant to Creative Commons licensing terms (CC BY-SA 4.0), and you grant Stack Overflow the perpetual and irrevocable right and license to access, use, process, copy, distribute, export, display and to commercially exploit such Subscriber Content, So, Stack Exchange does not "all your intellectual property". You still control the copyright and free to use it elsewhere - that's the "non-exclusive basis" part. You can also use someone else's contribution, under the same CC BY-SA 4.0 terms. And, while I've never tried it, all of the contributions are available for bulk download from https://archive.org/details/stackexchange https://archive.org/details/stackexchange .