There is no doubt that the most popular and powerful search engine out there is Google and there is no competition for it. You have others like Bing and Yahoo that get their share of visits but it's nothing even close to the kind of traffic that Google has going in every minute of the day. There are literally millions of people searching with this particular search engine at all times during every single day of the year. This is the main reason why it has become such a popular place and why so many people are now interested in being able to rank high on the organic search.
