A. Google controls all information completely.
B. Google fails to keep its promise of offering free access.
C. Google is violating people’s privacy.
D. Google improves people’s lives greatly.

A. They are beneficial, because their inventors are famous.
B. They are not useful, though their inventors are famous.
C. They are beneficial, though their inventors are less famous.
D. They are not useful, because their inventors are less famous.