Amazon’s ‘Search Inside the Book’

Bibliofuture writes has a new feature that allows you to search the full-text of over 120,000 books. Details are on the main page. I would be interested in what comments librarians have about this feature.” Try a search for “zaphod” to see how it works. It looks like they try to limit you to browsing two pages of text. Is this the next step for library catalogs?