Delayed PopUnder works like this:
When a user clicks anywhere on a video page a little hidden browser window is being opened in the background. This window opens in minimized stance but user can not maximize it. The user only can see that window on the taskbar. After that little window becomes maximized in 15 minutes, containing the landing page. You can see the example of it on, but your IP have to be from United States.
NOTE: Delayed PopUnder works only with Desktop traffic.

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