Just because 67% of consumers are choosing Google search despite a myriad of other options, doesn't make it a monopoly nor does it mean they don't have competition. Google is constantly being pushed by its competitors to improve and maintain its marketshare.
Google is also competing with every type of advertising on the planet.
Google 67% Yahoo 10% Bing: 10% Baidu: 8% AOL: 1% Other: 2%
Just because 67% of consumers are choosing Google search despite a myriad of other options, doesn't make it a monopoly nor does it mean they don't have competition. Google is constantly being pushed by its competitors to improve and maintain its marketshare.
Google is also competing with every type of advertising on the planet.