The most significant change in tracking the customer journey is that we can no longer blindly trust the attribution data from ad platforms. For years, you could run a Facebook ad and mostly trust its reporting on sales. But after major privacy updates, that data is now fragmented, incomplete, and often misleading. This shift forces us to stop relying on black-box reporting and start piecing together the journey ourselves with data we own directly.
The old model of simply looking at last-click attribution isn't just a little off, it’s fundamentally broken for understanding modern marketing. On the Ecommerce Coffee Break podcast, Philippe Roireau explained that to truly understand performance, you need to see the whole customer path. A customer might see a TikTok video, click a Google Ad, then open an email before finally converting. Platform-specific analytics won't show you that full story. Instead of a single source of truth, you get a dozen conflicting stories.
What really works now is building a unified view of the customer. Roireau calls this