you go up to the File menu and you choose New. Now, what happens when you choose New? Do you get a new blank document?

OK, back to math. Imagine this is possible that every single equation that you click on in one of your new e texts is something that you're going to be able to explore and experiment with.

And the challenge with these kinds of algorithmic filters, these personalized filters, is that, because they're mainly looking at what you click on first, it can throw off that balance.