I'm spending money on ads, posts, emails, all of it, and I have no clue which part is doing anything. Someone asks how the last campaign did and I make a vague hopeful noise. It feels like throwing darts in the dark and hoping something sticks.
More people experience this than they realize.
You spend on marketing without knowing what pays off and what's wasted.
If this sounds familiar, the Library can help you find the bigger picture.