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Field notes on agent fleets, open source and the systems behind them — posted as we ship.

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Write Loops, Not Prompts
06-28-26

Write Loops, Not Prompts

A prompt gets you an answer. A loop gets you a system that keeps answering after you close the laptop.

Andrei Hasna

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Privacy Policy

Last updated: July 2, 2026

This is the privacy policy for andreihasna.com, the personal website of Andrei Hasna. It explains what personal data this site handles, why, and what your rights are. The short version: the site collects nothing about you unless you actively send it something.

Who is responsible

Andrei Hasna is the data controller for this site. For anything related to your data, write to hello@andreihasna.com.

Newsletter

  • What is collected: your email address.
  • Subscribing uses double opt-in: you receive a confirmation email and are only subscribed after you click the link in it.
  • Every newsletter email contains an unsubscribe link. You can also unsubscribe by writing to hello@andreihasna.com.
  • Legal basis: your consent. Your address is kept until you unsubscribe or ask for it to be deleted.

Contact form

  • What is collected: your name, your email address and your message.
  • The message is stored in the site database and forwarded to the site mailbox so it can be answered.
  • Legal basis: legitimate interest in answering the messages people choose to send. Messages are kept only as long as needed to handle them and are deleted on request.

Book orders

The book store is not open yet, so no order data is collected today. When it opens, payments will be handled by Stripe on Stripe's own pages. This site will then store the order basics — your email address, the book, the amount and a Stripe reference — to fulfil the purchase, and will keep those records for as long as bookkeeping rules require. Card numbers never reach this site.

Who processes data on my behalf

  • Amazon Web Services (AWS): hosts the site and delivers its email (Amazon SES).
  • Stripe: will process payments once the book store opens. Not active today.

There are no advertising networks and no analytics services on this site, and your data is never sold or shared for marketing.

Technical logs

The hosting infrastructure keeps standard technical logs (such as request logs, which can include IP addresses) to operate and secure the site. They are not used to profile anyone and are kept only briefly.

The site also loads a few style and script libraries from public CDNs (cdnjs.cloudflare.com and cdn.jsdelivr.net). When your browser fetches those files, the CDN receives the technical request data needed to serve them, such as your IP address. Those requests set no cookies — see the Cookie Policy.

Your rights

Under the GDPR you can ask for access to your data, correction, deletion, restriction of processing and a portable copy, and you can object to processing or withdraw consent at any time. Send any of these requests to hello@andreihasna.com. Erasure requests cover the newsletter list, stored contact messages and any order records not required by law. You can also complain to your local data protection authority.

Changes

If this policy changes, the date at the top changes with it.

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Terms & Conditions

Last updated: July 2, 2026

These are the terms for using andreihasna.com, the personal website of Andrei Hasna. They are short because this is a personal site, not a platform.

Using this site

The site publishes articles, book information, a newsletter and, later, a podcast. The content is provided for information only — it is not professional, financial or legal advice. The site is provided as it is, without warranties, and it may change or be taken offline at any time.

Content and licensing

All articles, text and other original content on this site are the copyright of Andrei Hasna. All rights reserved unless a page states otherwise. You may quote short passages with attribution and a link to the source. Republishing a whole article requires written permission — ask via hello@andreihasna.com.

Book purchases

The book store is not open yet, and no orders are taken on this site today. When it opens, payments will be processed by Stripe, the price will be shown at checkout before you pay, and the full purchase terms — delivery, refunds and support — will be published here before the first sale.

Third-party links

Articles link to other sites. Those sites have their own terms and policies, and this site is not responsible for their content.

Changes

These terms can change as the site evolves. The date at the top shows when they were last updated. Questions go to hello@andreihasna.com.

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Cookie Policy

Last updated: July 2, 2026

Cookies are small files a website stores in your browser so it can recognize it later. This policy is based on an audit of what this site actually stores in a browser, page by page — not on a template.

What this site sets: nothing

As of the date above, andreihasna.com sets no cookies at all. No first-party cookies, no third-party cookies, and nothing in localStorage or sessionStorage. This was verified by loading every page of the site in a clean browser — including the newsletter form and the contact form — and inspecting everything it stored afterwards: zero entries.

No analytics, no tracking

There is no analytics service, no advertising and no tracking pixel on this site. The site loads a few style and script libraries from public CDNs (cdnjs.cloudflare.com and cdn.jsdelivr.net); the audit confirmed those requests set no cookies either.

Why there is no cookie banner

Consent banners exist to ask permission for non-essential cookies. This site sets no cookies of any kind, so there is nothing to ask consent for, and it shows no banner.

What might change later

When the book store opens, checkout will happen on pages hosted by Stripe, and Stripe uses its own cookies there for payments and fraud prevention. That applies on Stripe's pages, not here. If this site itself ever starts setting cookies, this policy will be updated first and will say exactly which ones and why.

Questions

Write to hello@andreihasna.com.

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