Most ecommerce brands can tell you their blended ROAS. Fewer can tell you which channel actually caused a given sale. That gap is what "attribution accuracy" is about, and it's also exactly where AI has started to earn its keep. If you're asking how does AI improve ecommerce attribution accuracy, the short version is: it replaces guesswork rules with models trained on your own data. The long version is below.

What does 'attribution accuracy' actually mean in ecommerce?