Privacy & cookie policy
Last updated: November 14, 2026
1. Who is responsible for your data
Eduardo Coelho Nogueira, an individual, whose address is Rua Cabral, 2007, Aeroporto, 79332-030 Corumbá (MS), Brazil. Contact for privacy questions: [email protected].
2. What data we use and why
- Purchases: your email address, your country and your payment details. Payments are processed by Stripe; we receive your email, the amount, the product you bought and the payment status, but never your full card details. We use them to deliver your guides, send your receipt, answer your questions and refund requests, and meet our tax obligations (performance of the contract and legal obligation).
- Contact: if you email us, we use your email address and message to reply.
- Sales measurement: when you buy, Stripe sends Utmify, our measurement tool, the order details (amount, product, country and email) and, if measurement was on (section 6), the ad you came from. We use this only to learn which ads lead to sales (legitimate interest).
- Ad measurement: the Meta pixel (see section 6) records visits, clicks on "buy" and purchases, with the amount and the order number. It tells us which ads lead to sales and helps show our ads to people with similar interests (consent in Europe; legitimate interest elsewhere). It does not run if you declined measurement cookies.
We do not send you marketing emails and we do not sell your personal data for money.
3. Who we share it with
With Stripe (payments), Cloudflare (website hosting), Utmify (sales measurement) and Meta Platforms (ad measurement, as described in sections 2 and 6). These providers are located in, or process data in, the United States and Brazil. Where the law requires it, the safeguards it provides apply, such as the European Commission's standard contractual clauses for visitors from Europe.
4. How long we keep it
Purchase records, for as long as legal and accounting obligations require. Support and refund emails, until your request is resolved and for a maximum of 2 years.
5. Your rights
You can ask to access, correct, delete or receive a copy of your data, or object to or limit how we use it, by emailing [email protected]. We will not treat you differently for exercising these rights. You can also file a complaint with the data protection or consumer protection authority where you live.
US residents: some state privacy laws (for example in California) treat ad measurement like the Meta pixel as "sharing" personal information for targeted advertising. You can opt out at any time with "Decline" in the cookie notice, through the link at the end of this page, or by turning on Global Privacy Control in your browser.
6. Cookies
- Necessary (always on): we store your answer to the cookie notice in your browser. It is not used to track you. Stripe's checkout page uses its own technical cookies, which are needed to process your payment securely and prevent fraud.
- Measurement: the Meta pixel and the Utmify script tell us which ads bring visits and purchases, so we don't spend money on ads that don't work. Utmify stores in your browser, for 7 days, which ad you came from and passes it to Stripe along with your payment.
- In Europe (European Union, EEA, United Kingdom and Switzerland): they only turn on if you choose "Accept".
- In the United States and the rest of the world: they turn on when you visit, and you can turn them off with "Decline" in the notice or with the link below. We also honor your browser's Global Privacy Control signal as an opt-out.
You can change your choice at any time: open the cookie notice.
7. Children
This site and our guides are meant for adults. We do not knowingly collect personal data from children under 13.
8. Changes
If we change this policy, we will update the date at the top of this page.