1) Google dominates the search engine market worldwide with a 44.1% market share, much higher than its closest competitor Yahoo.
2) Google's PageRank algorithm, developed in 1997, helped make its search engine very popular by ranking websites based on the number and quality of inbound links.
3) Google earns nearly all (99%) of its revenue from advertising on its sites, mainly through its AdSense and AdWords programs, and has seen tremendous financial growth as a result.
![Search engine ,[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)