The effectiveness of an ad creative is measured using a metric, such as an engagement rate of the ad creative.

Another method for measuring effectiveness of an ad creative is disclosed.

Measurement data is associated with a group of users that have been exposed to at least one advertising creative that is part of an advertising campaign.

The zero exposure level corresponds to a zero amount of exposures to at least one advertising creative that is part of the advertising campaign.

The content of an ad creative, and/or of a landing page may be selected and/or modified using location information.

A promoter wishing to promote video content on a video hosting website selects the video and associates it with an advertising creative.