One controversial patent granted to Google in 2013 is for "____" advertising-a business model for charging advertisers according to the number of views an ad receives via a "head mounted gaze tracking device".
A) pay-to-look
B) pay-for-play
C) pay-for-gaze
D) pay-to-view

Question

Quizplus · Accepted Answer

The patent is specifically for charging advertisers based on how many views their ad receives through a head-mounted gaze tracking device, hence the term "pay-for-gaze." The other options are not mentioned in the description of the patent.

One Controversial Patent Granted to Google in 2013 Is for "____