How Google earn money?

Mostly people think Google is free then how Google earn money what is the source income of Google? How Google CEO earn too much money ? Can we also earn money like Google or from google?

Now let's we try to find all questions..

Google is free but it is largest search engine among all search engines. Mostly earnings sourec on internet is advertising. Also internet is free no any CEO manager of internet.

Actually Google mostly earn money from advertising. Google created three business category

Adword
Admob
Adsense

Adword it is software to determine which ads created on the webpage.

Admob it is the source to publish Ads on mobile application.

Adsense it is also source to publish Ads on web page

Now clearly try to find simple answer

Google is the platform so everyone one can publish web on this platform. If any publishing web on Google platform Google will also publish advertising on his web and give some money for web publishing.

How Google take ads idea for advertising?

If  i.am buisness man I want to popular my product so client contact google from adword and give idea about business so as your idea Google show advertising about your product on web.

How Google find correct advertising idea?

Google monitoring all activities on internet if we want any things and we went in shop and  this shop is for shoes only so goole location track your exact position and Google analytics send targeting advertisement on your device it is also targeting from cookies if we searched any things after some minutes we getting many advertisement from related topics

How Google find which one is correct genuine site?

Google not offering advertising on all web and application Google crawler crawl all appliye site and check necessary things then verify your site after that your site is ready for Google advertisement.