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Butterfly Privacy Dashboard and Opt-Out


About Butterfly Service

Butterfly is a full service creative and tech network focused on strategic campaigns, brand story telling and digital experiences for the brands and their consumers. Butterfly is an advertising marketplace that proposes innovative advertising solutions to Publishers and Advertisers all over Europe.

Publishers use Butterfly advertising solutions to monetize their ad spaces.

Advertisers or their intermediaries (eg. media agencies) display their advertising campaigns through Butterfly advertising solutions on the websites.

Scope of this privacy policy

Butterfly, together with its affiliates (“Butterfly”, “we”, “us”, or “our”) recognizes the importance of privacy and is committed to providing transparency and control over the use of the data in online advertising.

This privacy policy details Butterfly data practices on how we collect, use, process and share the data we may collect through our advertising services as well as the ways in which individuals may exercise control over the use of information collected by us.

1. User identification

Butterfly does not collect or process any information that allows identifying a particular individual directly.

We do not collect or process information related to (i) name, user address, place of work, date of birth, email address, or phone number (ii) hardware-based identifiers such as UDID or MAC Address and (iii) sensitive information (such as religion, political opinion, health…).

We do not create segments to specifically target children under 16 years old.

We do not deliver personalized ads so we do not use methods to single out users.

2. Information we collect

We collect data through our web tags on publisher web pages.

Collected data are :

  • Page URL
  • Browser Information (eg: Browser name and version)
  • Device Information (eg: Device type, OS)
  • Non-precise Location information (eg: Country and City, derived from user IP)
  • User Interactions with Butterfly Ad (eg: clicks or video views)
  • IP address

3. Data use

We use the information we collect to deliver our services:

  • User frequency Capping: We use data to prevent displaying too many times the same ad to the same user.
  • Analytics: We use collected data for monitoring and reporting the campaign delivery for advertisers and publishers and for internal business analysis.

4. Data sent to Butterfly partners

In order to be able to deliver an ad and measure its performance, we need to share data with our different partners. These companies are authorized to use the information we provide only as necessary to provide these services.

  • Viewability measurement. We transmit data to companies specialized in campaign measurement such as Integral Ads (IAS) in order to verify that our ads are viewable.
  • Fraud detection. We transmit data to companies such as DoubleVerify (DV) in order to prevent delivering our ads on fraudulent traffic, such as non-human traffic.
  • Brand Safety. We transmit data to companies such as DoubleVerify (DV) in order to prevent displaying our Ads on content that can damage an advertiser’s Brand.

5. Data retention and storage

We retain the data linked to a user up to 12 months from the date of collection.

We may also store aggregated and non-personal data for a longer period than 12 months for financial and statistical reasons.

Butterfly uses generally accepted industry security standards to protect data.

6. Opt-out from Butterfly services

To opt-out from your web browser or mobile phone

If you opt-out, you will still see ads, including contextually tailored ads and ads based on your current location.

The opt-out mechanism will only opt you out from data collection on this device. It will not opt you out on other devices or in other browsers you use.

If cookies are cleared or deleted in your browser, this may delete the Butterfly opt-out cookie, and you may need to renew your opt-out choice for that browser.

You can opt-out from Butterfly services by clicking here

7. Miscellaneous

Legal notification

Butterfly may be required to disclose data in response to lawful requests by public authorities, including to meet national security or law enforcement requirements.

We may also disclose your information as required by law, such as to comply with a subpoena or other legal process, when we believe in good faith that disclosure is necessary to protect our rights, protect your safety or the safety of others, investigate fraud, or respond to a government request. If Butterfly is involved in a merger, acquisition, dissolution or sale of all or a portion of its assets, Butterfly reserves the right to disclose or transfer your data, and you will be notified via email and/or a prominent notice on our website of any change in ownership, uses of your personal information, and choices you may have regarding your personal data.

Changes to our privacy policy

Please note that we may update or change this privacy policy. If we revise our privacy policy, we will post those changes to this privacy statement, and to other places we deem appropriate, so that you are aware of what information we collect, how we use it, and under what circumstances, if any we disclose it. If we make any material changes we will notify you by means of a notice on this site prior to the change becoming effective.

Contact Us

Upon request, Butterfly will provide you with information about whether we hold any of your personal information. You may access or request deletion of your personal information by contacting us as described below. We will respond to your request within a reasonable timeframe.

For any questions about this Privacy Policy or our data practices, you can contact Butterfly:

– By email: [email protected].
– By address: Butterfly | The Ad Effect - Irakliou 5 – 15232, Chalandri – Greece

Last updated: Jan 2021