Opportunity to see (OTS) is a term which refers to an advertising campaign and the number of exposures or opportunities which a particular audience has to see a specific advert. [1] [2] [3] [4] [5] In the context of radio advertising, the applicable relevant term is opportunity to hear (OTH). [6]
For example, OTS coverage of 40% means that 40% of the target audience saw (or is expected to have a chance to see) the advertisement. [1]
OTS has been a traditional metric determining advertising value, though in the Internet era it is also supplemented by the pay-per-click metric. [7]