Wrong. Copyright is about "works", not "ideas". My copyright of a work doesn't restrict your ability to copy the idea. In fact, this is what many Open Source p

Wrong. Copyright is about "works", not "ideas". My copyright of a work doesn't restrict your ability to copy the idea. In fact, this is what many Open Source projects do: they copy the idea or a proprietary software, but not the software (ie. the work) itself.