So talk a little bit about the personal part versus the...

Sure.

Yeah.

Yeah, absolutely.

And I think that, so I'll give you a comparison because this is one of the tricks that I think people should be on the, because the tools are going to change, but the concept of digital advertising will not change.

And that's what I really harp on in my book.

If you know the rules of how it works, then as things change, you can adjust yourself.

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