It's a tool. So it's as real as any other tool we have. It helps us bring about our thoughts in to the real world. We can't touch it, in the same way we can't

It's a tool. So it's as real as any other tool we have. It helps us bring about our thoughts in to the real world. We can't touch it, in the same way we can't touch language, but it's useful and that makes it real.