Offering units are a collection of individual videos (based on supplied allocation codes) from one or more publishers. The offering unit is mostly used for marketing, e.g. it brings together individual videos (streaming only) that are suitable for marketing.

The On-Device-Meter is a software provided by Nielsen for the panel-side recording of video usage on the respective end devices of the desktop and mobile panellists. The software is installed on the end devices of the panellists and is used to allocate the usage processes measured in the census with the Nielsen SDK to the panellist (Matching).

Origin and retention analysis examines the usage behavior of the viewers of a certain programme or time interval over the course of one day. An time interval or programme is applied as a reference interval in order to determine the identical user communities of programmes or time intervals in relation to the reference interval.

Data are collected by a market research company that enters into separate contracts with individual clients (e.g. broadcasters) on a private commercial basis (e.g. AC Nielsen in the United States).

See average number of contacts

OTT (Over-the-top content) refers to the delivery of video and audio content over internet connections, without the involvement of an internet service provider in the control or distribution of the content. This can include both free and paid offerings.

Out-of-home viewing refers to TV viewing by guests in panel households. It is transferred to similar panel participants through a fusion process, who, during this period, did not watch TV at home and could have been potential guests in other panel households.

Overlay ads are a sub-category of non-linear video ads. They are characterized by the fact that that are broadcast concurrently with video content, in a manner similar to banners. When users click on an overlay ad, they can be sent directly to the advertiser’s page, for example.

Overspill refers to the receivability and/or usage of a TV broadcaster beyond the actually intended broadcast area. This increases a broadcaster’s technical reach.

OWM is an acronym that stands for Organisation der Werbungtreibenden im Markenverband. (“Organization of Brand Advertisers”). It represents the interests of advertisers vis-à-vis the media. As members of the governing bodies of AGF, its delegates participate in the design and monitoring of the AGF system.