person viewing content or ads on the Web. There is currently no way to measure viewers.

A pop-up browser window that contains your IVT, including photos, text and clickable content like maps, thumbnails and floor plans. The entire window is custom-branded to match your Web site.

an individual who has viewed a web page with an adwall; viewers are a more reliable measure of adwall visibility than impressions as it is more difficult for a publisher to increase a viewer count artificially See also: click, CPM, impression

(as in Viewer mode) A public P4Web that is used only for browsing.

A human being who views a message. That is to say, who reads an email or visits a web page.