Buddy Google has total monopoly over the internet web search its a top ranking search engine and no one can come even lose to it not even Yahoo and Bing!
Now the internet is loaded with some other old and new search engines that are juts fighting losing batter!
Now SEO is all about Google rankings who cares about some unknown engine most internet marketers don't even care about Bing and Yahoo that are the second and third most used sites!
98% of users use Google!!!