In-Short
Half Your Data Is Always Invisible
In real-world acquisition, a large share of customers cannot be tracked. They arrive through brand awareness, reject cookies, or fall outside tracking systems.
Imperfect Data Still Shows Direction
Even with incomplete data, you can still identify which channels drive value and which waste budget. That is enough to make decisions.
Tracking Fails More Often Than You Think
Even when systems are in place, technical gaps, migrations, and missing events distort reality. “Unknown” is not noise. It is part of the signal.
Think of It Like a Map, Not a GPS
You are not getting exact coordinates. You are getting a direction that is good enough to move money and improve results.
The moment when data stops making sense
Long Read
At some point, every reporting system breaks.
In one case, after a migration, the “Unknown” channel suddenly increased.
At first, it looked like a data issue. Then we looked closer.
A key event, registration success, was not tracked properly for a specific flow. Mobile app tracking had similar gaps.
What looked like a channel problem was actually a tracking gap.
We had to rebuild the picture using assumptions.
Not guesses, educated distribution based on what we already knew.
That is when it becomes clear: you are never working with complete data.