Marcel Hollerbach
Marcel Hollerbach | Co-Founder and Chief Innovation Officer, Productsup
Marcel Hollerbach is a tech entrepreneur, co-founder and CIO at Productsup. A recognized thought leader in ecommerce technology, he’s the author of Feed Management & Syndication in the Age of AI and a frequent speaker, helping brands leverage AI and product data to scale across platforms like Google, Meta, TikTok—and now Perplexity and ChatGPT.
The 2025 holiday season, spanning Halloween, Black Friday, and Christmas, will mark the first true test of generative artificial intelligence's influence on shopping. Up until now, consumers have largely used AI tools for vague inspiration or validation. But in 2025, we’ve seen the dynamics shift. Queries moved from “wireless earbuds” to “what’s a sustainable tech…
In many ways, YouTube is already a major shopping destination. Many of its 2 billion users tune into the video platform to watch unboxing videos and product reviews. Therefore, it’s no surprise that the Google subsidiary is now testing a new feature that will make it easier for users to make purchases without leaving YouTube,…





