U.S. Appeals Court Rules Academic Book Scanning is 'Fair Use', May Continue

"That effort has allowed the public to search for particular terms that might appear in a book (or not appear), which has enabled new forms of research, as tens of millions of books can be searched to learn more about word frequencies, nomenclature, linguistic usage, and other topics. Unlike other forms of Google search, Google does not display advertising to book searchers, nor does it receive payment if a searcher uses Google's link to buy a copy."