Privacy Policy
Effective date: March 31, 2026
Manifold Stack AI Ventures LLC ("Manifold Stack," "we," "us," or "our") operates the website manifoldstack.ai. This Privacy Policy explains how we collect, use, disclose, and protect your personal information when you visit our website or use our services.
1. Information We Collect
Information you provide directly
When you submit our contact form or early access form, we collect:
- Name (required)
- Email address (required)
- Company name (optional)
- Budget range (optional)
- Service interest (selected from a dropdown)
- Message content (required)
Information collected automatically
With your consent, we collect analytics data through Google Analytics 4:
- Pages visited, time on page, and scroll depth
- Referring URL and UTM campaign parameters
- Device type, browser, and operating system
- Approximate geographic location (country/region level, not precise)
We do not collect analytics data until you provide consent via our cookie banner. If you decline, no analytics cookies are set.
Information collected by third parties
| Service | Purpose | Data collected |
|---|---|---|
| Google Analytics 4 | Website analytics | Page views, events, device info (only with consent) |
| Google reCAPTCHA v3 | Bot protection | Interaction patterns, browser fingerprint |
| Calendly | Meeting scheduling | Name, email, meeting details (governed by Calendly's Privacy Policy) |
| Google Workspace | Form processing & email delivery | Contact form data is transmitted via Google Apps Script and delivered to our Gmail inbox (governed by Google Workspace Data Processing Terms) |
2. How We Use Your Information
- To respond to inquiries: We use your contact form submissions to reply to your message and discuss potential engagements.
- To schedule meetings: When you book a call through Calendly, your information is used to set up and manage the appointment.
- To improve our website: With your consent, we use analytics data to understand how visitors use our site and improve the experience.
- To prevent abuse: reCAPTCHA helps us prevent spam and automated submissions.
We do not sell, rent, or share your personal information with third parties for marketing purposes.
3. Cookies and Tracking
Cookies we use
| Cookie | Provider | Purpose | Duration |
|---|---|---|---|
| _ga, _ga_* | Google Analytics | Distinguish unique visitors | 2 years |
| _gid | Google Analytics | Distinguish unique visitors | 24 hours |
| _GRECAPTCHA | Google reCAPTCHA | Bot protection (functional) | 6 months |
Analytics cookies (_ga, _gid) are only set after you consent via our cookie banner. reCAPTCHA cookies are classified as strictly necessary for security and do not require consent.
Local storage
- cookie_consent: Stores your cookie consent preference ("granted" or "denied").
- UTM parameters: Stored temporarily in sessionStorage during your visit for analytics attribution (cleared when you close the browser tab). UTM data is also included in form submissions to help us understand which channels drive inquiries.
4. Data Retention
- Contact form submissions: Retained in our email inbox for up to 24 months after the last communication, then deleted. We do not store submissions in a database beyond the email system.
- Early access sign-ups: Retained until the product launches or you request deletion.
- Analytics data: Google Analytics retains data for 14 months (default GA4 setting).
- reCAPTCHA data: Governed by Google's Privacy Policy.
5. Data Security
We protect your data through:
- HTTPS encryption on all connections (enforced via HSTS)
- Content Security Policy (CSP) headers to prevent injection attacks
- Server-side input validation and HTML sanitization
- Honeypot fields and reCAPTCHA to prevent automated abuse
- Rate limiting on form submissions (5 per email per hour)
6. Your Rights
Depending on your location, you may have the following rights:
- Access: Request a copy of the personal data we hold about you.
- Correction: Request correction of inaccurate data.
- Deletion: Request deletion of your personal data.
- Opt-out of analytics: Decline or withdraw cookie consent at any time by clearing your browser cookies and reloading the page.
- Data portability: Request your data in a portable format.
To exercise any of these rights, email us at connect@manifoldstack.ai.
California residents (CCPA)
We do not sell personal information. You have the right to know what data we collect and to request its deletion. Contact us at the email above.
European residents (GDPR)
Our legal basis for processing personal data:
- Consent: Analytics cookies (you can withdraw consent at any time).
- Legitimate interest: Responding to your contact form submission, security measures (reCAPTCHA).
7. Third-Party Links
Our website contains links to third-party services (LinkedIn, Calendly, Google). We are not responsible for the privacy practices of these services. We encourage you to review their privacy policies.
8. Children's Privacy
Our website is not directed at individuals under 16. We do not knowingly collect personal information from children.
9. Changes to This Policy
We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated effective date. Continued use of the website after changes constitutes acceptance of the updated policy.
10. Contact Us
If you have questions about this Privacy Policy or our data practices:
- Email: connect@manifoldstack.ai
- Address: Manifold Stack Ventures LLC, #1030, 2570 N First St, 2nd Floor, San Jose, CA 95131, United States