Privacy Policy
1. Data controller
Controller: Michal Červinka, Company ID (IČO) 17887755, registered address Lidická 700/19, 602 00 Brno, Czech Republic.
Data protection contact:
We have not appointed a data protection officer, as we are not required to do so.
2. What data we process
- Identification and contact data – first name, surname, email, possibly billing address.
- Order and payment data – product purchased, price, date and payment status. We do not see card numbers; they are processed by the payment gateway.
- Communication – the content of messages you send us.
- Technical data – IP address, device and browser type, cookie data (necessary cookies always, others only with your consent).
3. Why we process data and for how long
| Purpose | Legal basis | Retention |
|---|---|---|
| Processing the order and delivering the e-book | performance of a contract – Art. 6(1)(b) GDPR | for the duration of the contract and 3 years thereafter |
| Accounting and tax obligations | legal obligation – Art. 6(1)(c) GDPR | for the period required by law (usually 5–10 years) |
| Answering questions and handling complaints | performance of a contract / legitimate interest | until resolved and 3 years thereafter |
| Defence of legal claims, website security | legitimate interest – Art. 6(1)(f) GDPR | as long as necessary, at most until claims become time-barred |
| Analytics, marketing and personalisation cookies | consent – Art. 6(1)(a) GDPR | until consent is withdrawn, at most 13 months |
4. Who we share data with
We only share data with processors who help us run the business: the payment gateway provider (Stripe Payments Europe, Ltd.), sales and email system providers, website hosting, our accountant and – only with your consent – providers of analytics and marketing tools. We do not sell your data.
Some providers may process data outside the European Economic Area – always only with appropriate safeguards (a European Commission adequacy decision, e.g. the EU–US Data Privacy Framework, or standard contractual clauses).
5. Your rights
- right of access to your data and to rectification,
- right to erasure and to restriction of processing,
- right to data portability,
- right to object to processing based on legitimate interest,
- right to withdraw consent at any time – for cookies simply in the ,
- right to lodge a complaint with the Czech Office for Personal Data Protection (uoou.gov.cz) or with the supervisory authority in your country of residence.
Please send requests to the email address above. We will reply within one month at the latest.
7. Security and changes
The website runs over an encrypted connection (HTTPS) and only people who strictly need it have access to the data. We may update this policy; the current version is always available on this page.
This policy is valid and effective from 4 October 2026.