I just realised the author is a fellow Steemian @andrewmcmillen and he explained everything any lay person can understand.

WE need to thank him for the publicity he has done for us.

There is this part i liked here

But the most innovative aspect of Steem is its lack of friction: New users can join Steemit and begin earning tiny fractions of the currency immediately, without even understanding how it works. It is designed as cryptocurrency for the masses, as the barriers to entry are almost nonexistent.

You can refer this article to anyone who wants to learn about Steemit.