Yes. There are some rights you can't sign away (e.g. you can't sell yourself into slavery, or use your kidney as collateral), but otherwise yes. Legally what's

Yes. There are some rights you can't sign away (e.g. you can't sell yourself into slavery, or use your kidney as collateral), but otherwise yes. Legally what's important is that you had the opportunity to read the contract before you agreed to it. In HN terms, as an example, you can't legally steal GPL'd code if you don't bother to cat LICENSE.md