Google Adsense:

Many People wonder that what is Google Adsense in this post I will tell you about Google Adsense.
Google Adsense is an advertising program for both Advertisers and Publishers.

Advertisers:
Advertisers are normal people or a company who want to advertise their company,product,website etc they pay Google to advertise what ever they want under Google's policy than Google put their Adverts on blogs,youtube etc.

Publishers:
Publishers are the people who owns a website or a blogger in order to publish Ads which are given to them by Google and indirectly by the advertisers (people or a company) Now after they publish the Ads they will start to earn cash whenever some one clicks on that Ad.