@bally-chohan,
1st point - Google AdWords, Google Search engine, Youtube video service, Google forum, Gmail, Orkut, Google earth, Google labs etc. Google maps, Picasa, Google books, Google Scholar, Google Docs, Google Chrome, and Chromebook
2nd point-No. 1 in US (with market share of 58.5% in Oct’07 as per comScore research)
3rd point- Yes (Google Video and YouTube)
i suggest you google is best Search Engine