Pop up ads are generating upon user scroll and click of a webpage, they are timed to appear when a user has finished reading an article, between pages, or after the user has closed his browser. Prone for maximum effect, pop ups are not the favorite on users, which is why they’ll work well for you. EZmob works with direct publishers and over 30 SSPs picking-and-choosing publishers and giving you the creme-de-la-creme of pop supply.