Behavioral targeting
Encyclopedia
Behavioral targeting is a technique used by online publishers
Publishing
Publishing is the process of production and dissemination of literature or information—the activity of making information available to the general public...

 and advertisers
Online advertising
Online advertising is a form of promotion that uses the Internet and World Wide Web to deliver marketing messages to attract customers. Examples of online advertising include contextual ads on search engine results pages, banner ads, blogs, Rich Media Ads, Social network advertising, interstitial...

 to increase the effectiveness of their campaigns.

Behavioral targeting uses information collected on an individual's web-browsing behavior, such as the pages they have visited or the searches they have made, to select which advertisements to display to that individual. Practitioners believe this helps them deliver their online advertisements to the users who are most likely to be interested.

Behavioral marketing can be used on its own or in conjunction with other forms of targeting based on factors like geography, demographics or the surrounding content.

Behavioral targeting allows site owners or ad networks to display content more relevant to the interests of the individual viewing the page. On the theory that properly targeted ads will fetch more consumer interest, the seller may ask for a premium for these over random advertising or ads based on the context of a site.

Onsite behavioral targeting

Behavioral targeting techniques may also be applied to any online property on the premise that it either improves the visitor experience or it benefits the online property, typically through increased conversion rates or increased spending levels. The early adopters of this technology/philosophy are primarily within a retail or other e-commerce website as a technique for increasing the relevance of product offers and promotions on a visitor by visitor basis. More recently, companies outside this traditional e-commerce marketplace have started to experiment with these emerging technologies.

The typical approach to this starts by using web analytics
Web analytics
Web analytics is the measurement, collection, analysis and reporting of internet data for purposes of understanding and optimizing web usage....

 to break-down the visitor mass into a number of discrete channels. Each channel is then analyzed and a virtual profile is created to deal with each channel. These profiles can be based around Personas
Personas
In marketing and user-centered design, personas are fictional characters created to represent the different user types within a targeted demographic, attitude and/or behavior set that might use a site, brand or product in a similar way. Personas are a tool or method of market segmentation...

 that gives the website operators a starting point in terms of deciding what content, navigation and layout to show to each of the different personas. When it comes to the practical problem of successfully delivering the profiles correctly this is usually achieved by either using a specialist content behavioral platform or by bespoke software development
Software development
Software development is the development of a software product...

. Most platforms identify visitors by assigning a unique id cookie
HTTP cookie
A cookie, also known as an HTTP cookie, web cookie, or browser cookie, is used for an origin website to send state information to a user's browser and for the browser to return the state information to the origin site...

 to each and every visitor to the site thereby allowing them to be tracked throughout their web journey, the platform then makes a rules-based decision about what content to serve.

Again, behavioral data can be combined with demographic and past purchase history in order to produce a greater degree of granularity in the targeting.

Self-learning onsite behavioral targeting systems will monitor visitor response to site content and learn what is most likely to generate a desired conversion event. Some good content for each behavioral trait or pattern is often established using numerous simultaneous multivariate tests
Multivariate testing
In statistics, multivariate testing or multi-variable testing is a technique for testing hypotheses on complex multi-variable systems, especially used in testing market perceptions.-In internet marketing:...

. Onsite behavioral targeting requires relatively high level of traffic before statistical confidence levels can be reached regarding the probability of a particular offer generating a conversion from a user with a set behavioral profile. Some providers have been able to do so by leveraging its large user base, such as Yahoo!
Yahoo!
Yahoo! Inc. is an American multinational internet corporation headquartered in Sunnyvale, California, United States. The company is perhaps best known for its web portal, search engine , Yahoo! Directory, Yahoo! Mail, Yahoo! News, Yahoo! Groups, Yahoo! Answers, advertising, online mapping ,...

. Some providers use a rules based approach, allowing administrators to set the content and offers shown to those with particular traits.

Network behavioral targeting

Advertising Networks
Advertising network
An online advertising network or ad network is a company that connects advertisers to web sites that want to host advertisements. The key function of an ad network is aggregation of ad space supply from publishers and matching it with advertiser demand...

 use behavioral targeting in a different way to individual sites. Since they serve many adverts across many different sites, they are able to build up a picture of the likely demographic makeup of internet users.
An example would be a user seen on football sites, business sites and male fashion sites. A reasonable guess would be to assume the user is male. Demographic analyses of individual sites provided either internally (user surveys) or externally (Comscore \ netratings) allow the networks to sell audiences rather than sites.
Although advertising networks used to sell this product, this was based on picking the sites where the audiences were. Behavioral targeting allows them to be slightly more specific about this.

Concerns

Many online users and advocacy groups are concerned about privacy
Privacy
Privacy is the ability of an individual or group to seclude themselves or information about themselves and thereby reveal themselves selectively...

 issues around doing this type of targeting. This is a controversy that the behavioral targeting industry is trying to contain through education, advocacy and product constraints to keep all information non-personally identifiable or to obtain permission
Permission marketing
Permission marketing is a term popularized by Seth Godin used in marketing in general and e-marketing specifically. The undesirable opposite of permission marketing is interruption marketing. Marketers obtain permission before advancing to the next step in the purchasing process. For example, they...

 from end-users. AOL
AOL
AOL Inc. is an American global Internet services and media company. AOL is headquartered at 770 Broadway in New York. Founded in 1983 as Control Video Corporation, it has franchised its services to companies in several nations around the world or set up international versions of its services...

 created animated cartoons in 2008 to explain to its users that their past actions may determine the content of ads they see in the future. Canadian academics at the University of Ottawa
University of Ottawa
The University of Ottawa is a bilingual, research-intensive, non-denominational, international university in Ottawa, Ontario. It is one of the oldest universities in Canada. It was originally established as the College of Bytown in 1848 by the Missionary Oblates of Mary Immaculate...

 Canadian Internet Policy and Public Interest Clinic
Canadian Internet Policy and Public Interest Clinic
Canadian Internet Policy and Public Interest Clinic is a legal clinic at the University of Ottawa focused on maintaining fair and balanced policy making in Canada related to technology...

 have recently demanded the federal privacy commissioner to investigate online profiling of Internet users for targeted advertising..

The European Commission (via commissioner Meglena Kuneva
Meglena Kuneva
Meglena Shtilianova Kuneva is a Bulgarian and EU politician.Born in Sofia, Kuneva graduated in Law from Sofia University in 1981. In 1984 she became a Doctor of Law. She worked as a journalist for the Law Programme of the Bulgarian National Radio while being an Assistant Professor at Sofia...

) has also raised a number of concerns related to online data collection (of personal data), profiling
Profiling
Profiling, the extrapolation of information about something, based on known qualities, may refer specifically to:* Profiling practices * Forensic profiling, used in several types of forensic sciences* Offender profiling...

 and behavioral targeting, and is looking for "enforcing existing regulation".

In October 2009 it was reported that a recent survey carried out by University of Pennsylvania
University of Pennsylvania
The University of Pennsylvania is a private, Ivy League university located in Philadelphia, Pennsylvania, United States. Penn is the fourth-oldest institution of higher education in the United States,Penn is the fourth-oldest using the founding dates claimed by each institution...

 and the Berkeley Center for Law and Technology found that a large majority of US internet users rejected the use of behavioral advertising.
Several research efforts by academicians and others have demonstrated that data that supposedly anonymized can be used to identify real individuals.

In March of 2011, it was reported that the online ad industry would begin working with the Council of Better Business Bureaus to start policing itself as part of its program to monitor and regulate how marketers track consumers online, also known as behavioral advertising.
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