virtual advertising
n. Computer-generated ads, logos, and products that are superimposed on a live video feed or inserted into a completed movie or television show.
virtual ad n.

Example Citations:
Virtual advertising has so far been a novelty feature of live sports, where football players tackle each other in front of make-believe billboards and soccer players run across plausibly real trademarks. For example, the games of three Major League Baseball teams—the San Francisco Giants, Philadelphia Phillies and San Diego Padres—include virtual ads this season.
--Stuart Elliot, “Real or Virtual? You Call It,” The New York Times, October 1, 1999

Welcome to the wonderful — and controversial — world of virtual advertising.

Using the latest technology, television networks can custom-make the advertising their viewers see, regardless of what is actually at the event. All it takes is a well-trained computer operator to transpose the advertising wherever it’s required.
—Scott Ellis, “Virtual realities,” The Daily Telegraph (Sydney, Australia), July 15, 1998

Earliest Citation:
English cricket fans may feel they deserve a little virtual reality after the actual horrors of following the team — and the good news is they may soon experience some. The bad news is that it will not apply to how the team play, but to adverts projected on to the outfield during televised matches.

Virtual advertising, using newly developed computer systems that cast images on to a surface, is expected to prove particularly effective at major sporting events which attract worldwide TV audiences.
—Jon Henderson, “TV Watch: Pitching Ads On to the Outfield,” The Observer, May 19, 1996

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