An NDA is usually pretty ridiculous for a tiny company that hasn't even built anything wanting to prevent people from stealing their idea. But in my experience,

An NDA is usually pretty ridiculous for a tiny company that hasn't even built anything wanting to prevent people from stealing their idea. But in my experience, that's not what people use them for. If you're in the middle of developing a product, you should have others sign an NDA to control the launch of your product. You don't want someone else to publish anything about what you're working on until you want it to be published. And there are lots of people out there who are stupid enough to do this kind of thing without consideration of what your company wants.