what is Real time bidding

Beginners those who are new to the programmatic advertising really wanted to know the workflow of Real Time Bidding Concept [RTB]. In most sites, real time bidding concept is explained in theoretical way. So, new beginners struggle to understand about RTB. I was also experienced same problem when i started to learn programmatic advertising concepts. To help the beginners to understand about RTB, How Does RTB really work, RTB workflow, I wrote this article to explain Real Time Bidding concept in more practical way.