Steemit's future.

http://i63.tinypic.com/wvxxc4.jpg

Hello everyone ! Im few days on steemit, was reading alot posts about how it works etc.

I rly care of future of steemix, and i have some questions in my head. 

Why administration dont sell advertisement and earn money this way ??? Look what idea i have:

Steemit connect AD. When people post something and others click on this post AD shows to visiters. Some money go to steemit development, some money go to poster, reposters and little bit to people who reply/comment etc.   

http://i64.tinypic.com/2308zq.jpg

Why this can / cant work ??? 

Lets discuss it, i might dont know something, may be copyrights etc. 

All opinions are welcome.