Thanks!  We also heard that set up an A/B test in the AJO journey to pull out a hold out audience might also work.  Has another else do this? 

Hi,   I am new to the Journey Optimizer tool and am working on setting up reporting/dashboard/ etc. to show success.  One component I would like to measure is the incremental lift journey have on the growth of my audience and would like to ask for advice:  Should we do that through the AEP audience,...