Definitions for "Pop-up window"
a window that appears in the middle of the screen on top of the main window.
Dialog box, alert box, or list of values that appear in a separate window.
A secondary window with no title bar that is displayed next to an object; it provides contextual information about that object.
Web pages that pop up between what the viewer is looking at and what they are expecting to get. More like a TV commercial than anything else on the Web (at the moment).
a quick and easy way to call attention to information that a user might not otherwise notice
Keywords:  visitors, revenue, great, leaving, way
a great way to generate revenue from visitors to your site when they are leaving