Cookie & Privacy Policy

We use cookies and other technologies on this website to improve its performance and enhance users’ experiences.  This policy explains how we do that.

What are cookies?

Cookies are small text files placed by web servers on your computer or mobile device when you access websites.  “First party” cookies are set by websites that you are visiting at the time.  “Third party” cookies are set by domains other than those of the websites that you visit.

“Session” cookies remain on your computer or mobile device during your visit and expire when you close your browser.  “Persistent” cookies, conversely, remain on your computer/device for a period of time specified in the cookie.

We use first party persistent cookies to set and remember your preferences for repeat visits to our site.  We use third party persistent cookies from eTracker to analyze how our visitors use our website and to monitor website performance.

We maintain a list of cookies that we use on this site and we update the list at least annually.

What types of cookies does GMD use?

Most cookies fall into one or more of the following categories:

Strictly necessary

These types of cookies are essential to provide services specifically requested by website visitors.  When accessing secure areas of websites, making purchases on e-commerce sites or submitting online forms, these types of cookies are essential.  Without them, websites cannot function or deliver the requested services.

GMD uses strictly necessary cookies on this website and we use them on other websites that we operate, such as our client portals and panel websites.


These cookies collect information about how visitors use a website, such as which pages are most popular, which method of linking between pages is most effective, and if users encounter error messages from web pages.  These cookies allow us to provide a high quality experience for users.  The information collected by these cookies does not identify users and is aggregated.  They are designed to help improve how our website works.

We use performance cookies on this site including those from our web analytics provider, etracker.


These cookies remember choices that you make so as to improve your experience.

We use functionality cookies to remember your preferences.  For example, we set a permanent cookie to remember your country and language selections if you tick the “Remember” checkbox.  We also provide social widgets – Facebook, Twitter, LinkedIn and other sharing tools – for users that would like to share content on our site with their friends, followers and connections.  These social widgets are disabled by default, but you can enable them during your visit.  If you enable the Like button, we will remember that preference on your next visit.

Targeting cookies

These cookies collect information about your browsing habits in order to make advertising relevant to you and your interests.  They are also used to limit the number of times you see an advertisement as well as help measure the effectiveness of advertising campaigns.  They are usually placed by advertising networks or social networking firms with the website operator’s permission.  Market researchers also set these cookies to measure ad exposure and deliver aggregated, statistical data to advertisers about the effectiveness of their campaigns.

GMD provides visitors convenient tools to share content on our website with their social networks, including Facebook, LinkedIn and Twitter.  When you click on a third party social widget or button to share content, the third party will learn that you have visited our website and may subsequently use information about your visit to target advertising to you on other websites.

To protect your privacy, we have programed the social widgets on our site so that they are disabled by default.  Information about your visit to our website is not shared with social media companies unless you click on their respective widgets.

We do not display behaviorally-targeted advertising on this website; however, our Digital Market Intelligence (DMI) division works closely with advertising networks and publishers to help them measure and optimize campaigns on websites that display ads.

Can website users block cookies?

Yes, you can adjust the privacy settings in your browser to block all cookies; however, this could severely affect your browsing experience as many websites may not function properly.  Your browser may allow you to delete all cookies upon closing your browser.  This option, though, results in persistent cookies getting deleted that may store your preferences and personalized settings on websites that you visit regularly.  It is possible to keep desired cookies, though, as your browser may allow you to specify which websites are always or never allowed to use cookies.

Our web analytics provider, etracker, does not use your device’s entire Internet Protocol (IP) address for analysis and its cookies do not collect personal data.  Nevertheless, if you would like your anonymous browsing to be completely excluded from collection by etracker, simply click the following link and enter the characters that appear on your screen

A preference cookie will then be set on your device and remain in effect provided that it is not deleted.

Besides cookies, etracker and social widgets, what other technologies does this site use?

Log files

As is true of most websites, we gather certain information automatically and store it in log files.  This information includes IP addresses, browser type, Internet service provider (ISP), referring/exit pages, operating system, date/time stamp and clickstream data.

We use this information to analyze trends, to administer the site, to track users' movements around the site and to gather demographic information about our user base as a whole.  We may link this automatically-collected data to personal information for legitimate purposes, such as to detect and prevent fraudulent activity.

Web beacons

A web beacon (also known as a tag, clear gif or 1x1 pixel), consists of a small string of code that is embedded within a web page or email.  There may or may not be a visible graphic image associated with the web beacon and often the image is designed to blend into the background of the web page or email.

Our website analytics provider, etracker, uses web beacons throughout our site to help us understand how visitors use our site and to improve the performance of our site.  A Facebook web beacon is present when visitors to our site activate the Like button.

Our marketing communications and survey invitation emails may contain web beacons to tell us whether our emails are opened and to verify any clicks through to links within the email.  We may use this information to determine which of our emails are more interesting to users, to improve the quality of the emails that we send and to query users who do not open our emails whether they wish to continue receiving them.  The web beacon is deleted when you delete the email.

If you would prefer not to have web beacons in the emails that you receive, you should adjust your email program to receive messages in plain text rather than HTML.  It is also possible to detect and control web beacons that are present on web pages by downloading a plug-in for your browser.

Where can I get more information about cookies?

Comprehensive information on how organizations use cookies is available at:

List of cookies

The list of GfK and third party cookies below was current on May 2, 2013.  It is updated at least annually.

GMD cookies

Cookie name: gfk_country_selector_url“ 
Duration: Session or permanent if enabled 
Purpose: Used for saving visitors’ country and language selection in the country picker.  This cookie is deleted when the browser is closed; however, it is saved permanently if visitors tick the Remember checkbox.
Cookie name: CookieOptInStatus
Duration: 3 months if enabled
Purpose: Used for saving preferences when accessing GfK’s magazine.

Third party cookies

Cookie name: _vv 
Duration: Depending on website settings. 7 days to 30 days 
Purpose: Set by GfK’s website analytics provider, eTracker, to keep track of repeat visitors.

Cookie name: cntcookie 
Duration: Permanent 
Purpose: Set by etracker to keep track of opt-out preferences.

Cookie name: GfK_Portal_Cookie
uration: Persistent 
Purpose:  Only used for My GfK (Client Portal). Used for Load Balancing multiple front end web servers 

Cookie name: Facebook Social Plugins 
Duration: Session 
Purpose: Web beacon that is present if visitors activate the Like button

Cookie name: ASP.NET_SessionID
Duration: Session
Purpose: Provides a session ID for users that access GfK’s magazine

Cookie name: _atuvc
Duration: 1 day
Purpose: Random session ID served by AddThis when social sharing widgets are enabled by users

Cookie name: uid
Duration: 1 day
Purpose: Random user 1D used by AddThis when social sharing widgets are enabled


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