Marketing Automation

Automating marketing workflows and campaigns

Onboarding and Habit Formation: The Science of Making Products Stick

A comprehensive deep dive into the psychology and mechanics of user onboarding and habit formation. From finding your product's Aha moment through cohort analysis to Nir Eyal's Hook model, James Clear's habit stacking, the Zeigarnik effect, endowed progress effect, and goal gradient effect. Includes Chamath Palihapitiya's Facebook growth team methodology, research data, Python code for measuring activation, and practical implementation strategies.

Consumer PsychologyData ScienceGrowth HackingMarketing AutomationSaaS

Less Well Known but Battle Tested: The Hidden Psychology That Actually Converts

A comprehensive deep dive into 18 lesser-known but highly effective psychology principles for conversion and retention. From goal-gradient acceleration and temporal landmarks to identity-based marketing, implementation intentions, foot-in-the-door, labour illusion, operational transparency, defaults as nudges, status games, sunk cost retention, social comparison, reactance, and risk reversal. Includes research data, Python code for measuring impact, and practical implementation strategies backed by academic literature.

Consumer PsychologyData ScienceeCommerceGrowth HackingGrowth HacksMarketing AutomationSaaS

The Math Behind It All: Growth Marketing Mathematics Explained

A comprehensive deep dive into the mathematics that powers growth marketing and data-driven decision making. From LTV:CAC ratio and payback period to cohort analysis, survival analysis with Kaplan-Meier curves, Bayesian A/B testing, multi-armed bandits with Thompson sampling, marketing mix modelling vs attribution, power law distributions, price elasticity with Van Westendorp's price sensitivity meter, and the compounding math of retention. Includes LaTeX formulas, Python code, visual explanations, and practical implementation guidance for both beginners and advanced practitioners.

Data ScienceeCommerceGrowth HackingMarketing AutomationSaaSStatistics

Privacy-First Growth Hacking: How to Personalise Without Being Creepy

Third-party cookies are dead, browser tracking is gutted, and regulators are fining companies hundreds of millions for getting consent wrong. But personalisation still works - it just needs a different foundation. This post covers consent-based personalisation, server-side tracking architecture, first-party and zero-party data strategies that actually perform, and the practical Rails code to make it all work across the DACH market. Real examples from four products serving Austrian, German, and Swiss users, with jurisdiction-aware consent handling built in.

eCommerceGDPRGrowth HackingMachine LearningMarketing Automation

Building GDPR-Compliant AI Features in Your SaaS

A developer's practical walkthrough of Data Processing Agreements, Privacy by Design, and Data Protection Impact Assessments for AI features. Not the legal theory, the actual Rails code and architecture decisions you need to make before shipping AI features to production. With real examples from four production Ruby on Rails applications: GrowCentric.ai (marketing optimisation), Stint.co (marketing dashboard), Regios.at (regional platform), and Auto-Prammer.at (automotive marketplace on Solidus).

AIGDPRMachine LearningMarketing AutomationSaaS

AI-Powered Marketing Automation: Beyond Email Drips

Most marketing automation in 2026 is still glorified email scheduling. Send this email on day 3. Send a follow-up on day 7. If they click, send offer A. If not, send offer B. That is not AI. That is a flowchart. Real AI-powered marketing automation means dynamic pricing that adjusts to demand in real time, personalised product recommendations that learn from behaviour, predictive churn detection that intervenes before customers leave, and autonomous campaign optimisation that reallocates budget without waiting for a human to notice what is happening. This is what I am building with GrowCentric.ai, and this is what I implement for ecommerce clients on Rails and Solidus.

AIeCommerceMachine LearningMarketing AutomationSaaS

The EU Cyber Resilience Act Is Coming: What It Means, Who Needs to Prepare, and How I Can Help

The EU Cyber Resilience Act entered into force in December 2024, with reporting obligations kicking in September 2026 and full enforcement by December 2027. If you build, sell, or distribute software or connected products in the EU, this affects you. Here is what you need to know, what you need to do, and how a Growth Hacker and SaaS developer with cybersecurity experience can help you get compliant.

eCommerceGDPRMarketing AutomationSaaS