7. Your Privacy Rights & How to Contact Us
We are committed to honoring your privacy rights under applicable laws, including the California Consumer Privacy Act (CCPA/CPRA), the EU/UK General Data Protection Regulation (GDPR), and others.
How to Submit a Request
You may request access to, correction of, or deletion of your personal information, or opt out of the sale/sharing of your data. You may submit a request using either of the following methods:
Online form: indigo.engineering/privacy/request
Email: privacy@indigo.engineering
We respond to verifiable consumer requests within the timeframes required by law. Identity verification may be required before we fulfill your request.
Do Not Sell or Share My Personal Information
To opt out of the sale or sharing of your personal data, visit our Do Not Sell or Share My Personal Information page. We honor Global Privacy Control (GPC) signals as required.
Data Protection Officer
You may contact our Data Protection Officer with any questions about this privacy policy or how your data is handled:
Aaron Bly - Data Protection Officer
1 Thomas Circle #550 Washington, DC 20005
Or call us at our Toll free line at: (888) 488-3964
Changes to This Policy
We may update this notice occasionally. If we make significant changes, we’ll update the “Last Updated” date at the top of the page and notify you where required.
Contact Us
For any privacy-related inquiries, you may also reach us at privacy@indigo.engineering.
6. Your Privacy Rights
Jurisdiction
Rights Available
California (CCPA/CPRA)
Access, Know, Delete, Correct, Opt-Out of Sale/Share, Limit Use of Sensitive PI, No Retaliation
Colorado, Virginia, Connecticut, Utah
Access, Delete, Correct, Opt-Out of Sale/Targeted Ads, Appeal
You may exercise these rights as outlined below.
5. How We Disclose or Sell Personal Information
5.1 Disclosures for a Business Purpose §1798.130(a)(5)(C)(i)
Disclosed for a Business Purpose
Categories of 3rd Party Recipients
Identifiers, Geolocation, Inferences
DSPs, social networks, programmatic ad exchanges
5.2 Sharing for Targeted Advertising §1798.130(a)(5)(C)(ii)
Indigo shares certain limited data elements (e.g., hashed email, MAID, voter ID plus modeled scores) to advertising platforms and onboarders solely for campaign outreach.
Categories of Personal Information
Categories of 3rd Party Recipients
Identifiers, Internet Activity
Cloud-hosting providers, security vendors
Voter-file Data & Inferences
Indigo clients under contract (campaigns, PACs, non-profits)
Geolocation Data
Latitude and longitude derived from physical address, precinct, or census block.
Commercial, Donation & Survey Data
Data processing & analytics vendors
All categories as needed
| Legal advisors, auditors, regulators
Opt-Out You may direct Indigo not to sell/share your personal information by clicking the Do Not Sell or Share My Personal Information link in our footer or by submitting a request as described in Section 7.
4. Business & Commercial Purposes for Processing §1798.130(a)(5)(C)(iii)
We use personal information to:
· Provide, maintain & improve Matchbook, Stacks, and related services
· Build predictive models & audience segments for political & non-profit outreach
· Authenticate users and secure our platforms
· Conduct analytics, quality assurance, research & development
· Market Indigo’s products to prospective customers
· Detect, investigate & prevent fraud or security incidents
· Comply with legal obligations, court orders, and regulatory requests
3. Sources of Personal Information §1798.130(a)(5)(B)
1. Public Records & Official State Voter Files
2. Commercial Data Compilers & Data Brokers
3. Surveys & Polling Conducted by Indigo or Partners
4. Clients & Authorized Partners (e.g., file uploads to Matchbook)
5. Automated Collection via cookies, SDKs, and similar technologies on our sites/products
6. Social Media & Open Web Sources where users make data public
2. Categories of Personal Information We Collect
We may collect the following categories of personal information:.
Identifiers
Full name, postal address, email, phone number, IP address, online identifiers, and Mobile Advertising IDs.
Protected-class information
Age, gender, and race/ethnicity (where legally permissible).
Commercial & Donation Data
Contribution history and consumer purchase segments.
Internet / Device Activity
Log files, cookie identifiers, and browsing behavior on Indigo sites.
Geolocation Data
Latitude and longitude derived from physical address, precinct, or census block.
Political & Survey Data
Party registration, voting history, and modeled issue positions or preferences.
Professional / Employment Data
Job title, employer name, and industry classification.
Inferences
Propensity scores, such as likelihood to vote, donate, or support specific issues or causes.
1. Scope of this Notice
This Privacy Notice explains what personal information we collect, where we obtain it, why we use it, with whom we share or sell it, and how you can exercise your rights. It applies to information we process in our capacity as a data provider and to visitors of our websites and apps.
Note on Voter File Data
Indigo licenses state voter files and augments them with modeled, survey, and commercial data. We use and disclose such data only for political, journalistic, scholarly, or other First-Amendment-protected purposes, as permitted by law.
Indigo Privacy & Data Use Center
Last Updated: June 30, 2025
Indigo Engineering, Inc. (“Indigo,” “we,” “us,” or “our”) builds data platforms—including Matchbook and Stacks—to help progressive campaigns and organizations understand and engage voters, donors, and supporters.
We respect your privacy and are committed to protecting personal information in compliance with the California Consumer Privacy Act (CCPA & CPRA), Virginia CDPA, and Colorado CPA, and other applicable laws.
Table of Contents
Indigo Privacy & Data Use Center
Last Updated: June 30, 2025
Indigo Engineering, Inc. (“Indigo,” “we,” “us,” or “our”) builds data platforms—including Matchbook and Stacks—to help progressive campaigns and organizations understand and engage voters, donors, and supporters.
We respect your privacy and are committed to protecting personal information in compliance with the California Consumer Privacy Act (CCPA & CPRA), Virginia CDPA, and Colorado CPA, and other applicable laws.
Table of Contents
1. Scope of this Notice
This Privacy Notice explains what personal information we collect, where we obtain it, why we use it, with whom we share or sell it, and how you can exercise your rights. It applies to information we process in our capacity as a data provider and to visitors of our websites and apps.
Note on Voter File Data
Indigo licenses state voter files and augments them with modeled, survey, and commercial data. We use and disclose such data only for political, journalistic, scholarly, or other First-Amendment-protected purposes, as permitted by law.
2. Categories of Personal Information We Collect
We may collect the following categories of personal information:.
Identifiers
Full name, postal address, email, phone number, IP address, online identifiers, and Mobile Advertising IDs.
Protected-class information
Age, gender, and race/ethnicity (where legally permissible).
Commercial & Donation Data
Contribution history and consumer purchase segments.
Internet / Device Activity
Log files, cookie identifiers, and browsing behavior on Indigo sites.
Geolocation Data
Latitude and longitude derived from physical address, precinct, or census block.
Political & Survey Data
Party registration, voting history, and modeled issue positions or preferences.
Professional / Employment Data
Job title, employer name, and industry classification.
Inferences
Propensity scores, such as likelihood to vote, donate, or support specific issues or causes.
3. Sources of Personal Information §1798.130(a)(5)(B)
1. Public Records & Official State Voter Files
2. Commercial Data Compilers & Data Brokers
3. Surveys & Polling Conducted by Indigo or Partners
4. Clients & Authorized Partners (e.g., file uploads to Matchbook)
5. Automated Collection via cookies, SDKs, and similar technologies on our sites/products
6. Social Media & Open Web Sources where users make data public
4. Business & Commercial Purposes for Processing §1798.130(a)(5)(C)(iii)
We use personal information to:
· Provide, maintain & improve Matchbook, Stacks, and related services
· Build predictive models & audience segments for political & non-profit outreach
· Authenticate users and secure our platforms
· Conduct analytics, quality assurance, research & development
· Market Indigo’s products to prospective customers
· Detect, investigate & prevent fraud or security incidents
· Comply with legal obligations, court orders, and regulatory requests
5. How We Disclose or Sell Personal Information
5.1 Disclosures for a Business Purpose §1798.130(a)(5)(C)(i)
Disclosed for a Business Purpose
Categories of 3rd Party Recipients
Identifiers, Geolocation, Inferences
DSPs, social networks, programmatic ad exchanges
5.2 Sharing for Targeted Advertising §1798.130(a)(5)(C)(ii)
Indigo shares certain limited data elements (e.g., hashed email, MAID, voter ID plus modeled scores) to advertising platforms and onboarders solely for campaign outreach.
Categories of Personal Information
Categories of 3rd Party Recipients
Identifiers, Internet Activity
Cloud-hosting providers, security vendors
Voter-file Data & Inferences
Indigo clients under contract (campaigns, PACs, non-profits)
Geolocation Data
Latitude and longitude derived from physical address, precinct, or census block.
Commercial, Donation & Survey Data
Data processing & analytics vendors
All categories as needed
| Legal advisors, auditors, regulators
Opt-Out You may direct Indigo not to sell/share your personal information by clicking the Do Not Sell or Share My Personal Information link in our footer or by submitting a request as described in Section 7.
6. Your Privacy Rights
Jurisdiction
Rights Available
California (CCPA/CPRA)
Access, Know, Delete, Correct, Opt-Out of Sale/Share, Limit Use of Sensitive PI, No Retaliation
Colorado, Virginia, Connecticut, Utah
Access, Delete, Correct, Opt-Out of Sale/Targeted Ads, Appeal
You may exercise these rights as outlined below.
7. Your Privacy Rights & How to Contact Us
We are committed to honoring your privacy rights under applicable laws, including the California Consumer Privacy Act (CCPA/CPRA), the EU/UK General Data Protection Regulation (GDPR), and others.
How to Submit a Request
You may request access to, correction of, or deletion of your personal information, or opt out of the sale/sharing of your data. You may submit a request using either of the following methods:
Online form: indigo.engineering/privacy/request
Email: privacy@indigo.engineering
We respond to verifiable consumer requests within the timeframes required by law. Identity verification may be required before we fulfill your request.
Do Not Sell or Share My Personal Information
To opt out of the sale or sharing of your personal data, visit our Do Not Sell or Share My Personal Information page. We honor Global Privacy Control (GPC) signals as required.
Data Protection Officer
You may contact our Data Protection Officer with any questions about this privacy policy or how your data is handled:
Aaron Bly - Data Protection Officer
1 Thomas Circle #550 Washington, DC 20005
Or call us at our Toll free line at: (888) 488-3964
Changes to This Policy
We may update this notice occasionally. If we make significant changes, we’ll update the “Last Updated” date at the top of the page and notify you where required.
Contact Us
For any privacy-related inquiries, you may also reach us at privacy@indigo.engineering.
7. Your Privacy Rights & How to Contact Us
We are committed to honoring your privacy rights under applicable laws, including the California Consumer Privacy Act (CCPA/CPRA), the EU/UK General Data Protection Regulation (GDPR), and others.
How to Submit a Request
You may request access to, correction of, or deletion of your personal information, or opt out of the sale/sharing of your data. You may submit a request using either of the following methods:
Online form: indigo.engineering/privacy/request
Email: privacy@indigo.engineering
We respond to verifiable consumer requests within the timeframes required by law. Identity verification may be required before we fulfill your request.
Do Not Sell or Share My Personal Information
To opt out of the sale or sharing of your personal data, visit our Do Not Sell or Share My Personal Information page. We honor Global Privacy Control (GPC) signals as required.
Data Protection Officer
You may contact our Data Protection Officer with any questions about this privacy policy or how your data is handled:
Aaron Bly - Data Protection Officer
1 Thomas Circle #550 Washington, DC 20005
Or call us at our Toll free line at:
(888) 488-3964
Changes to This Policy
We may update this notice occasionally. If we make significant changes, we’ll update the “Last Updated” date at the top of the page and notify you where required.
Contact Us
For any privacy-related inquiries, you may also reach us at privacy@indigo.engineering.
6. Your Privacy Rights
Jurisdiction
Rights Available
California (CCPA/CPRA)
Access, Know, Delete, Correct, Opt-Out of Sale/Share, Limit Use of Sensitive PI, No Retaliation
Colorado, Virginia, Connecticut, Utah
Access, Delete, Correct, Opt-Out of Sale/Targeted Ads, Appeal
You may exercise these rights as outlined below.
5. How We Disclose or Sell Personal Information
5.1 Disclosures for a Business Purpose §1798.130(a)(5)(C)(i)
Disclosed for a Business Purpose
Categories of 3rd Party Recipients
Identifiers, Geolocation, Inferences
DSPs, social networks, programmatic ad exchanges
5.2 Sharing for Targeted Advertising §1798.130(a)(5)(C)(ii)
Indigo shares certain limited data elements (e.g., hashed email, MAID, voter ID plus modeled scores) to advertising platforms and onboarders solely for campaign outreach.
Categories of Personal Information
Categories of 3rd Party Recipients
Identifiers, Internet Activity
Cloud-hosting providers, security vendors
Voter-file Data & Inferences
Indigo clients under contract (campaigns, PACs, non-profits)
Geolocation Data
Latitude and longitude derived from physical address, precinct, or census block.
Commercial, Donation & Survey Data
Data processing & analytics vendors
All categories as needed
Legal advisors, auditors, regulators
Opt-Out You may direct Indigo not to sell/share your personal information by clicking the Do Not Sell or Share My Personal Information link in our footer or by submitting a request as described in Section 7.
4. Business & Commercial Purposes for Processing §1798.130(a)(5)(C)(iii)
We use personal information to:
· Provide, maintain & improve Matchbook, Stacks, and related services
· Build predictive models & audience segments for political & non-profit outreach
· Authenticate users and secure our platforms
· Conduct analytics, quality assurance, research & development
· Market Indigo’s products to prospective customers
· Detect, investigate & prevent fraud or security incidents
· Comply with legal obligations, court orders, and regulatory requests
3. Sources of Personal Information §1798.130(a)(5)(B)
1. Public Records & Official State Voter Files
2. Commercial Data Compilers & Data Brokers
3. Surveys & Polling Conducted by Indigo or Partners
4. Clients & Authorized Partners (e.g., file uploads to Matchbook)
5. Automated Collection via cookies, SDKs, and similar technologies on our sites/products
6. Social Media & Open Web Sources where users make data public
2. Categories of Personal Information We Collect
We may collect the following categories of personal information:.
Identifiers
Full name, postal address, email, phone number, IP address, online identifiers, and Mobile Advertising IDs.
Protected-class information
Age, gender, and race/ethnicity (where legally permissible).
Commercial & Donation Data
Contribution history and consumer purchase segments.
Internet / Device Activity
Log files, cookie identifiers, and browsing behavior on Indigo sites.
Geolocation Data
Latitude and longitude derived from physical address, precinct, or census block.
Political & Survey Data
Party registration, voting history, and modeled issue positions or preferences.
Professional / Employment Data
Job title, employer name, and industry classification.
Inferences
Propensity scores, such as likelihood to vote, donate, or support specific issues or causes.
1. Scope of this Notice
This Privacy Notice explains what personal information we collect, where we obtain it, why we use it, with whom we share or sell it, and how you can exercise your rights. It applies to information we process in our capacity as a data provider and to visitors of our websites and apps.
Note on Voter File Data
Indigo licenses state voter files and augments them with modeled, survey, and commercial data. We use and disclose such data only for political, journalistic, scholarly, or other First-Amendment-protected purposes, as permitted by law.
Indigo Privacy & Data Use Center
Last Updated: June 30, 2025
Indigo Engineering, Inc. (“Indigo,” “we,” “us,” or “our”) builds data platforms—including Matchbook and Stacks—to help progressive campaigns and organizations understand and engage voters, donors, and supporters.
We respect your privacy and are committed to protecting personal information in compliance with the California Consumer Privacy Act (CCPA & CPRA), Virginia CDPA, and Colorado CPA, and other applicable laws.
Table of Contents