1. Google could gain an unfair ability to profit from books.

Under the settlement, critics fear Google would essentially get an exclusive license to profit from countless books. Additionally, as the sole Internet book search service of its sort, Google could theoretically raise prices without any competition to keep it in check.

2. Google could gain an unfair advantage within the search engine market.

Having the expanded searchable book content within its own servers could give Google an unfair edge over its search engine competitors.

3. Authors may lose a degree of control over their work.