📚 Tier 3 - Good to KnowID: walledGardens
Walled Gardens
Closed ecosystems (Meta, Google, Apple) that control their own data
In Simple Words (Zero Jargon):
Closed ecosystems (Meta, Google, Apple) that control their own data
Why It Is Critical
Walled gardens do not share raw user-level log data with external tools or competitors. This structural opacity is the core reason why unified cross-channel attribution requires statistical methods like MMM and incrementality testing.
What You Get: Understanding why cross-channel attribution is structurally difficult - and why platform-agnostic measurement solutions are necessary.