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The digital marketing glossary > P > What is Public-service ad definition?

What is Public-service ad definition ?

A public-service ad or announcement is an ad made to promote a "cause".

Sometimes when an ad network can’t fill an ad inventory, to avoid empty ad spaces it delivers public-service ad which don’t generate revenue for the publisher.

To avoid public-service ads delivering one has to program a default ad on the adserver. This default ad can for instance be an house ad used to promote a newsletter.

See more on default ad definition.

An example of public-service ad:

Published on Monday 1 October 2012 (Authors)