sentences:  Critics charge that Google has effectively abandoned its "Don't be evil" motto and that small businesses will be unable to compete against their larger counterparts.There is also concern that consumers who did not see this announcement will be unaware that they are now looking at paid advertisements and that the top results are no longer determined solely based on relevance but instead will be manipulated according to which company paid the most.Google's ambitious plans to scan millions of books and make them readable through its search engine have been criticized for copyright infringement.