Are you on drugs with a question like that? LSD? Peyote? Google's market share within the US is quoted at 65.26% quoted here to Yahoo's 20.73%, MSN's 8.46% and Ask's 3.96%. Obviously market share here relates to all searches performed on the internet. The same is reflected all over the world. Why? Google is better. A million times better, it's a simple as that. Every other search engine pales in comparison to this behemoth and quite rightly so!
Considering that in countries like South Korea (probably the most wired up country in the world) they barely use Google goes to show that Google is not uniformaly the top in all countries (note that S. Korea was only one example).
GOOGLE, positively!! What's people's first option when searching on the net? We like it or not, the verb in English is 'to google', not 'to yahoo'... Besides, you may be on Yahoo's first page, but if you don not exist in Googfle, YOU JUST DO NOT EXIST at all...! Maxdpadillas Insurance Quotes Online
You're right, Shows the importance branding can be in business. Just a simple phrase branded to your product can make a huge impact!!