text:  and we bring in a new copy. So it doesn't matter where your old broken copy is. If you have a mutation wherever, it doesn't matter. We just bring in a whole brand new copy. And so that way you can treat any mutation with one single therapy. And the problem is that in order to bring in a large piece of DNA like that, the way that the current methods like CRISPR work is that they don't efficiently bring in large pieces of DNA. So what we've come up with is a more efficient way