Advertising network
Online Advertising
Advertising network
An advertising network (also called an online advertising
network or ad network) is a collection of (often unrelated)
online advertising inventory.
Online advertising inventory comes in many different forms. This inventory
can be found on
websites, in instant messaging applications, in
adware, in
e-mails, and on other sources. Some examples of advertising inventory include:
banner ads,
rich media,
text links, and e-mails. (This is not an exhaustive list.)
Large publishers often sell only their remnant inventory through ad networks.
While not commonly known, even among many large publishers remnant inventory can
exceed 50% of total inventory, although this is not always the case. Typical
numbers range from 10% to 60% of total inventory being remnant and sold through
advertising networks.
Smaller publishers often sell all of their inventory through ad networks. One
type of ad network, know as the blind network, is such that
advertisers place ads, but do not know the exact places where their ads are
being placed.
In most cases, ad networks deliver their content through the use of a
central ad server.
Large ad networks
Large ad networks include a mixture of
search engines, media companies, and technology vendors. Some of the larger
networks include:
Google
Yahoo
Miva
247RealMedia
Blue Lithium
Advertising.com
Burst Media
Tremor Networks
See also
External links
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