access to what may become the largest online body of human knowledge and promoting the democratization of knowledge. However, it has also been criticized for potential copyright violations, and lack of editing to correct the many errors introduced into the scanned texts by the OCR process.

As of October 2019, Google celebrated 15 years of Google Books and provided the number of scanned books as more than 40 million titles.Google estimated in 2010 that there were about 130 million distinct