The Customer Account Monolith Is an Anti-Pattern for Shopify Extensions
A thousand-line profile block in one extension fights merchant menu IA. Split full-page extensions by job and align with how customers navigate account tasks.
Continue reading →Perspectives on Technology and Change
Practical writing on enterprise AI, execution, and commercial outcomes — from builders shipping with agents to career notes from the field.
AI & Building
Shipping with agents: memory systems, dev tooling, site builds, and quality gates.
Career
Roles, teams, and lessons from leading programs — including when agents are in the toolchain.
Commerce & Marketing
Ecommerce, CX, agencies, and growth systems — commercial outcomes in practice.
Capturing UI Designs for AI Agents Creates a Prompt Injection Surface
Design capture CLIs that dump outerHTML into SKILL.md files can smuggle instructions. Sanitize at the trust boundary before agents read the DOM.
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Composer 2.5 as My Only Coding Model: Cost, Predictability, and a Tighter Bootstrap
I run Cursor on Composer 2.5 only—not to save money alone, but to get predictable rule compliance. A tighter session bootstrap beat chasing frontier models for my workflow.
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External Memory Series: A Practical Guide to AI Session Continuity
Chat is not memory. This series explains a file-based external brain for builders and leaders—four layers, hooks, and why it beats hoping the model remembers.
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Beyond Chat History: Using Layered Obsidian Memory for Personal Productivity
The same three-layer memory stack used for shipping code works for strategic work, client engagements, and cross-tool AI—short chat, operational handoffs, evergreen notes, and explicit feedback.
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Three Layers of External Memory for AI-First Development (What Actually Ships)
Chat context is not memory. A three-layer file system—session, operational, evergreen—plus hooks and git automation is how I keep production codebases coherent across hundreds of agent sessions.
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Why Deliberate File Memory Beats Hoping Agents Remember
Chat memory is opaque and ephemeral. Deliberate files give audit trails, solo-shipping continuity, team handoffs, and survival when models or tools change.
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Why File Memory Beats the Three-Layer AI Diagram (For Builders, Not Vendors)
The popular STM / LTM / feedback diagram optimizes in-model memory. A file-based external brain optimizes audit, handoff, and tool churn. Here is when each design wins—and why I chose files.
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Getting to Lighthouse 100 on Next.js 16: Every Fix That Actually Mattered
A complete walkthrough of every Lighthouse bottleneck on a Next.js 16 Vercel site — TBT from 3,020ms to 20ms, LCP from 3.0s to 1.7s — including the config options that don't exist in Next.js 16 and will silently break your build.
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GitHub Copilot vs OpenRouter: The Real Cost of AI Coding in 2026
GitHub Copilot's new token-based pricing changes everything. Here's what it actually costs compared to OpenRouter and third-party relays when you code extensively.
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How I Built the Petralian Weekly Digest on Brevo Free
I wanted a clean weekly digest for petralian.com without paying for RSS automations. This is the exact architecture we implemented, the issues we hit, and the code patterns that made it reliable.
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Publishing Obsidian Drafts Through GitHub Actions
A practical way to move from writing in Obsidian to publishing on a live site without copy-paste, manual uploads, or brittle one-off scripts.
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Building petralian.com: The Technical Reality
The why was clean. The how had corners. A ground-level account of building petralian.com — the masonry layout that fought back, a 404 page with a working Asteroids game, the TinaCMS newline problem nobody warns you about, and how AI wrote most of it.
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CSS Masonry Grids and Reading Order: What column-count Gets Wrong, and How to Fix It
CSS column-count creates a masonry layout in one line. It also silently breaks left-to-right reading order. Here is what is actually happening in the DOM, and a reliable fix that holds up under variable card heights.
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Why I Rebuilt Petralian on Next.js (And Open Sourced It)
WordPress was slowing down the actual writing. Here's why I rebuilt petralian.com on Next.js, how Obsidian now sits at the center of my publishing workflow, and why I decided to open source the whole thing.
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Your Brain Was Not Built for This: Why I Built a Second One in Obsidian
External Memory Series — File-based memory for AI-assisted work (overview · 1 Implementation · 2 Productivity · 3 vs the diagram · 4 Governance) I had a moment…
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The AI Memory Problem: OpenClaw, Hermes, Karpathy, and the Approach That Actually Survives
Every AI session starts from scratch. Four tools are racing to solve the AI memory problem - OpenClaw, Hermes, Karpathy's LLM wiki, and a plain Obsidian vault. Here's how they differ and which approach actually survives tool churn.
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How We Built Gravio’s Scoring Engine: From Repo Signals to Release Gates
A practical breakdown of how Gravio turns repository signals into six-dimension scores, hard quality gates, and actionable remediation plans.
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The New CI Gate: Failing Builds on Agent Quality, Not Just Unit Tests
Unit tests catch code failures. They do not always catch AI quality regressions. Here is how to add quality thresholds as a first-class release gate.
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Team Playbook: Rolling Out Gravio Across Multiple Repositories
A practical rollout framework for introducing Gravio across many repos without creating process fatigue, policy confusion, or noisy quality signals.
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Why AI Agent Output Quality Drifts Over Time (And How to Catch It Early)
Your AI outputs can look great this month and degrade next month without obvious failures. Here is why drift happens and how to detect it before it reaches production.
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From Empty Folder to First Quality Score in 10 Minutes
A practical, no-fluff walkthrough for getting Gravio running from a clean folder to your first quality score, including the exact command flow and common mistakes.
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Is Salesforce Becoming Invisible on Purpose, or Becoming Irrelevant?
External Memory Series — File-based memory for AI-assisted work (overview · 1 Implementation · 2 Productivity · 3 vs the diagram · 4 Governance) I came across…
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Zero-Knowledge AI Quality: How Gravio Scores Agents Without Seeing Your Code
Most AI quality platforms ask you to trust them with your source code. Gravio takes a different path: encrypted scoring designed to keep plaintext out of the server path.
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Programmatic Transparency in 2026: Why Agencies Are Fighting The Trade Desk
The Publicis and The Trade Desk dispute has been framed as a transparency scandal, but I think it is more interesting than that. What this dispute actually…
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The Ad Agency Holding Company Transformation: What 2026 Is Really Telling Us About the Future of Marketing
External Memory Series — File-based memory for AI-assisted work (overview · 1 Implementation · 2 Productivity · 3 vs the diagram · 4 Governance) Having spent…
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Contextual AI for ecommerce: Beyond the Click and Into the Conversation
External Memory Series — File-based memory for AI-assisted work (overview · 1 Implementation · 2 Productivity · 3 vs the diagram · 4 Governance) The rise of…
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Redefining the Career Ladder: How AI Sidelines Entry-Level Learning in APAC
External Memory Series — File-based memory for AI-assisted work (overview · 1 Implementation · 2 Productivity · 3 vs the diagram · 4 Governance) As artificial…
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Data Warehousing as a CDP: Can You Really Have It All?
External Memory Series — File-based memory for AI-assisted work (overview · 1 Implementation · 2 Productivity · 3 vs the diagram · 4 Governance) In almost…
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Is using AI in creative work wrong?
External Memory Series — File-based memory for AI-assisted work (overview · 1 Implementation · 2 Productivity · 3 vs the diagram · 4 Governance) I recently had…
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Redefining Media Agency Success: Embracing Innovation in the Digital Era
External Memory Series — File-based memory for AI-assisted work (overview · 1 Implementation · 2 Productivity · 3 vs the diagram · 4 Governance) Media agencies…
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Leadership Lessons from the Vatican: Consensus as a Catalyst for Digital Transformation
The recent news that the 133 cardinals have not yet elected a new Pope reminds us that transformative decisions require broad support. In the Vatican’s…
Continue reading →AI Shopping Revolution: Will Shopify's ChatGPT Integration Redefine Retail Strategy?
External Memory Series — File-based memory for AI-assisted work (overview · 1 Implementation · 2 Productivity · 3 vs the diagram · 4 Governance) The reported…
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Boutiques, Agencies, or Consultancies? Which one should you work with?
Having led digital transformation initiatives across Asia Pacific for global brands ranging from luxury retail to financial services, I've experienced the…
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The AI Revolution: How LLMs Are Reshaping Search and the Future of SEO
External Memory Series — File-based memory for AI-assisted work (overview · 1 Implementation · 2 Productivity · 3 vs the diagram · 4 Governance) In the midst…
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Marketing 101: Fundamental Principles for Sustainable Business Growth
As a digital transformation strategist who has worked with global brands across multiple sectors, I've consistently observed that strong marketing fundamentals…
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Mastering AI Prompting Frameworks for Marketers: Transforming Campaigns with Precision and the Right AI Tools
External Memory Series — File-based memory for AI-assisted work (overview · 1 Implementation · 2 Productivity · 3 vs the diagram · 4 Governance) AI is…
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Is SaaS Being Dismantled by AI?
External Memory Series — File-based memory for AI-assisted work (overview · 1 Implementation · 2 Productivity · 3 vs the diagram · 4 Governance) The idea that…
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Best Practices for Founders: Integrating AI and SEO for Effective Digital Campaign Management
Unlock the potential of AI and SEO integration to elevate your digital campaigns. Discover how combining these innovative strategies can enhance search engine rankings, personalize content, and automate tasks, driving substantial growth for your business.
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Leadership Styles and Their Impact on Marketing and Branding
Leadership is more than just a title or position-it’s the driving force behind how organizations operate, innovate, and communicate. In the world of marketing…
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Infinity Loops: The Framework Behind Successful Brand Stories
The marketing world has recently embraced the infinity loop as an evolution of the marketing funnel, and a revolutionary way to understand and engage with…
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E-commerce in 2025: Trends, Statistics, and Strategies to Stay Ahead
E-commerce has become a cornerstone of global retail, and as we move into 2025, its growth shows no signs of slowing. The ongoing digitalization of modern…
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How Fractional Marketing Can Revolutionize Startups and Small Businesses
Having spent over 15 years helping businesses across industries like retail, finance, and e-commerce scale their operations, I’ve seen how access to the right…
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How AI and Human Imagination Work Together to Break Barriers
External Memory Series — File-based memory for AI-assisted work (overview · 1 Implementation · 2 Productivity · 3 vs the diagram · 4 Governance) AI and human…
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Why Retail Often Leads in Digital Innovation Over Banking (and What We Can Learn From It)
As someone who has championed digital transformation projects across retail and finance sectors, I’ve had the privilege of seeing firsthand how these…
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Bringing the Retail Mindset to Finance: How Personalization Can Transform Banking in APAC
The financial industry in the Asia-Pacific (APAC) region faces unique challenges as it seeks to modernize its marketing strategies and better serve a diverse…
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Crafting a Strong Digital Identity for Startups
In today’s digital-first world, a strong online presence is the cornerstone of any startup’s success. Your brand is more than just a logo or a tagline. It’s…
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The Power of Engagement: How Buy.social’s Messaging and Notifications System Stands Out
When building a platform designed to empower brands, one of the most important questions we kept coming back to was this: How do we help brands not just…
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The Future of Social Commerce: Why Brands Need to Own Their Customer Data
As someone who has spent years working at the intersection of eCommerce, digital strategy, customer experience, and analytics, I’ve seen how the dynamics…
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Reflecting on My 5-Month Engagement with Silk Commerce
Over the past five months, I had the privilege of working with Silk Commerce as their Vice President of International Markets, focusing on expanding the…
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Generative AI in Marketing: My Thoughts on the Industry’s Progress and Challenges
External Memory Series — File-based memory for AI-assisted work (overview · 1 Implementation · 2 Productivity · 3 vs the diagram · 4 Governance) Recently, I…
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My Time at Merkle Hong Kong
After nearly six incredible years with Merkle Hong Kong, I’ve officially transitioned from my role as Managing Director to explore new opportunities that align…
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The Rise of Customer Experience Management: Why It Matters and How to Make the Most of It
Customer experience management (CXM) has emerged as a top priority for companies in today’s digital landscape. It refers to the strategic practice of…
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New Merkle MD
In an exciting development for Dentsu International Hong Kong, Nathan Petralia has been promoted to managing director of Merkle, the agency's newly launched…
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Shoppable media as an omnichannel strategy, a WARC exclusive article
(Cover photo of this article is copyright WARC, source: https://www.warc.com/reports) I had the opportunity to write an article for WARC. This WARC exclusive…
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