FAQ: Data Collection and Use

What data does Quantcast collect, process, or use?

Quantcast collects, processes, or uses the following categories of personal data:

• Pseudonymous identifiers such as cookie IDs, device IDs, device configuration, IP addresses, hashed email addresses, 3rd party identifiers, device

• Imprecise location information such as zip codes

• Event data - information related to data subjects' online behavior

• Bid request data - information provided in a bid request

• Client data - information about data subjects online and offline behavior, including client audience segments

• Third-party data: information about data subjects online and offline behavior, including third-party audience segments.

• Inferences: information about data subjects drawn from the above-listed categories of information (i.e., Pseudonymous identifiers, Imprecise location information, Event data, Bid request data, Client data, and Third-party data)

• Training Data - information related to data subjects' online/offline data used to improve Quantcast’s algorithms

Quantcast does not intentionally collect or process personally identifiable consumer information such as names, addresses, emails, or phone numbers.

Quantcast does not intentionally collect or process data from children under the age of 18.

Quantcast does not intentionally collect or process sensitive data under the EU/EEA/UK/Swiss GDPR or U.S. state laws.

Quantcast does not intentionally collect or process precise geolocation (e.g., latitude/longitude, GPS coordinates).

For more information, see the Quantcast Products and Services Privacy Policy at https://legal.quantcast.com/#products-and-services-privacy-policy

What data does Quantcast collect, process, or use that could be considered “Personal Information” under EU/EEA/UK/Swiss GDPR or U.S. state laws?

Quantcast collects, processes, or uses the following categories of personal data:

• Pseudonymous identifiers such as cookie IDs, device IDs, device configuration, IP addresses, hashed email addresses, 3rd party identifiers, device

• Imprecise location information such as zip codes

• Event data - information related to data subjects' online behavior

• Bid request data - information provided in a bid request

• Client data - information about data subjects online and offline behavior, including client audience segments

• Third-party data - information about data subjects online and offline behavior, including third-party audience segments

• Inferences: information about data subjects drawn from the above-listed categories of information (i.e., Pseudonymous identifiers, Imprecise location information, Event data, Bid request data, Client data, and Third-party data)

• Training Data - information related to data subjects' online/offline data used to improve Quantcast’s algorithms

Quantcast does not intentionally collect or process personally identifiable consumer information such as names, addresses, emails, or phone numbers.

Quantcast does not intentionally collect or process data from children under the age of 18.

Quantcast does not intentionally collect or process sensitive data under the EU/EEA/UK/Swiss GDPR or U.S. state laws.

Quantcast does not intentionally collect or process precise geolocation (e.g., latitude/longitude, GPS coordinates).

For more information, see the Quantcast Products and Services Privacy Policy at https://legal.quantcast.com/#products-and-services-privacy-policy

Does Quantcast collect, process, or use direct identifiers or personally identifying information?

Quantcast does not intentionally collect or use PII (or personally identifiable information) about consumers in its platform, products, or services. For more information about our privacy practices, please visit our Privacy Policy at https://legal.quantcast.com/#products-and-services-privacy-policy.

From what sources does Quantcast collect personal information?

• Digital properties of clients (e.g., website, mobile app, or CTV device)

• Advertising exchanges

• Clients

• 3rd party data providers

• Measurement vendors

Does Quantcast have a direct relationship with the data subjects from whom it collects personal information?

No.

Is my data (advertiser client data) shared with or used for other Quantcast clients?

No, Quantcast will not share your data with, or use your data for, any other client or disclose any of your data or results.

How long does Quantcast store or retain user data?

Quantcast retains data for as long as necessary to provide our Services and for the purposes described in our Privacy Policy. We do not  retain data for longer than 13 months unless it is necessary to respond to legal requests or comply with relevant laws and regulations. For more information, see the Quantcast Products and Services Privacy Policy at https://legal.quantcast.com/#products-and-services-privacy-policy.

What cookies does Quantcast set in the browser (assuming that cookies are enabled and there is a proper legal basis)?

1. "__qca"
expiration time: 13 months
type: first party analytics
2. "_dlt"
expiration time: 0 days
type first party analytics
2. "mc"
expiration time: 13 months
type: third party analytics
3. "d"
expriration time: 13 weeks
type: cookie syncing
4. "sp"
expriration time: =13 weeks
type: cookie syncing
5. "qoo"
expriration time: 5 years
type: opt-out
6. "qor"
type: opt-out
expriration time: 5 years

How long will a QC cookie persist if users do not delete their browser cookies?

13 months

Does Quantcast collect any data it doesn't use to provide its Services?

Quantcast believes in ‘data minimization,’ ensuring we only capture and store the data we need to deliver our service.

Does Quantcast use Flash cookies?

Quantcast no longer uses Flash cookies for any purpose. To delete Flash cookies, please access the Flash Player settings management tool (available on Adobe’s website), or find it here: http://www.macromedia.com/support/documentation/en/flashplayer/help/settings_manager07.html.

Does Quantcast collect or process personally identifiable information (PII)

Quantcast does not intentionally collect or use PII (or personally identifiable information) about consumers in its platform, products, or services. For more information about our privacy practices, please visit our Privacy Policy at https://legal.quantcast.com/#products-and-services-privacy-policy.

How long will the QC cookie persist if users do not delete their browser cookies?

13 months.

Who has access to the data at Quantcast?

Data is ingested into the Quantcast processing platform to build models and analyze data. While our engineers and data scientists manage the data stores and the processing platform, they do not have direct access to your data. furthermore, Quantcast enforces a controlled-access policy to limit potential access to the data.

What technologies are used to collect data?

On publisher or advertiser websites, Java script code or pixel code is installed in the website code, which installs cookies in the browser and collects data from the browser.

In publisher or advertiser mobile apps, SDKs or Server-to-Server connections (S2S) collect data from the device.
From the bid stream: Quantcast receives data with bid requests sent by Sell-Side Platforms (SSPs) via Realtime Bid Exchanges (RTBs) on behalf of publishers.

From impressions: Pixel code installed in the impression code which collects data from the browser.

What are tags, pixels, and SDKs?

Tags are Java script code installed in a website's code. They install cookies in the browser and collect data from the browser.

Pixels are code installed in either a) a website code, which installs cookies in the browser and collects data from the browser, or b) an impression code, which collects data from the browser.

SDKs are code installed in a mobile app, which collects data from the device.

What domains does Quantcast use?

quantserve.com
The main domain used to provide Quantcast services. 
quantcount.com
The secondary domain is used to provide frequency counts only.

For what purposes does Quantcast collect, process, and/or use personal information?

• Store and/or access information on a device (TCF Purpose 1)

• Use limited data to select advertising (TCF Purpose 2)

• Create profiles for personalized advertising (TCF Purpose 3)

• Use profiles to select personalized advertising (TCF Purpose 4)

• Measure advertising performance (TCF Purpose 7)

• Measure content performance (TCF Purpose 8)

• Understand audiences through statistics or combinations of data from different sources (TCF Purpose 9)

• Develop and improve services (TCF Purpose 10)

• Ensure security, prevent and detect fraud, and fix errors (TCF Special Purpose 1)

• Deliver and present advertising and content (TCF Special Purpose 2)

• Match and combine data from other data sources (TCF Feature 1)
  Link different devices (TCF Feature 2)

• Identify devices based on information transmitted automatically (TCF Feature 3)

• Recording consent choices made by users

• Establishing, bringing, or defending against complaints, legal claims (including threatened or anticipated legal claims), and regulatory inquiries

• Responding to legal requests

• Complying with relevant laws and regulations

• Conducting research

• Hosting of Personal Information for the above-listed purposes

Who does Quantcast share personal information with?

• Quantcast-affiliated companies

• Our service providers/data processors

• Our partners, such as Data Management Platforms and Data Providers and Advertising Exchanges

• Relevant third parties as part of a corporate transaction

• Competent governmental and public authorities

• Other third parties at the client's direction

• Other third parties, as necessary or appropriate or where otherwise permitted by law to enforce our agreements, protect our operations, protect our rights, privacy, safety, property, and/or those of other persons, and allow us to pursue available remedies or limit damages that we may sustain

For more information, see the Quantcast Partner's Page at https://legal.quantcast.com/#quantcast-partners

Who does Quantcast share client data with?

• Quantcast-affiliated companies

• Our service providers/data processors

• Other third parties, such as measurement partners, at the client's direction

• Quantcast will not share client data with, or use client data for, any other client or disclose any client data or results.