How to measure retention marketing

And why using this method we learnt Facebook was under-attributing remarketing efforts

How do you find out how much your email marketing makes you? Go and open up Klaviyo, or Mailchimp, or whatever your email client is, and check the revenue figure, right?

But how much of that revenue would have happened anyway?

This is at the crux of almost every marketing problem. If you hadn’t have done the activity, might it have happened anyway?

In acq…