No matter how big poster i would like to place, if 25% is still not occupied I may post it for free, correct?
As written before in terms:
First 25% of pixel map will be available for free for banners from 10x10 px up to 30x30 px. (For banners bigger than 30x30 pixels 50% discount will be available). All that posters that are already on the website was placed for free?
Yes. Anyone can add banner up to 30x30 px for free now.
How project will be monetized till the time 25% of website is occupied?
Monetization isn't main goal of project. We will host it in anyway.