# Amber Bartholomeusz

Amber works with ReFiBuy on brand and go-to-market strategy, helping translate complex market shifts into clear, practical narratives for customers, partners, and the broader commerce ecosystem. She brings nearly two decades of technology marketing experience across B2B, B2C, and direct-to-consumer companies, with a focus on helping organizations navigate growth, transition, and emerging categories.

[Follow me on my website](https://www.abmarketedge.com/) [Follow me on LinkedIn](https://www.linkedin.com/in/amberbart/)

## Stories by Amber

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### [Dark Agentic Commerce Traffic (DACT): Why 70%+ of AI Shopping Traffic Is Invisible in Your Analytics](/content/articles/dark-agentic-commerce-traffic-dact-why-70-of-ai-shopping-traffic-is-invisible-in-your-analytics/index.html)

AI shopping agents are sending your highest-converting traffic to your product pages. GA4 is filing most of it under 'Direct.'

Amber Bartholomeusz

Apr 29, 2026