what is blogging and advertisementing ?

In one sentense blog is cloction of news, You can use blogs for everything from updating your friends and family about your life, giving your own advice column, discussing your political views, or relating your experience in a topic of interest.

It is common for blogs to feature advertisements either to financially benefit the blogger or to promote the blogger's favorite causes. The popularity of blogs has also given rise to
"fake blogs" in which a company will create a fictional blog as a marketing tool to promote a product