Outline

Google 
What is search?
The need for search- Intent
Search Channel
organic Search
why search important
Type of search engine (Google map, youtube, Google image, etc)
General Search engine( Google, bing)
job search engine
document search engine
Q& A search engine( stack overflow )
People search
Google.Bing(MSN), Quora
Regional Search Engine (China-Baidu)
What is google?
Is it only a Search Engine or a Company?