

StartUp Founder CEO/CMO @gostackup / @OurCart / @tapingo / @gowizeo I
… detectable difference and it can be hard to coordinate the test and keep the control cities clean. Also, most customers are typically concentrated in the largest 20–30 metro areas which limits the number of tests that can be run concurrently.
So how do we find out how much marketing is affecting acquisition above and beyond the natural inflow of new customers? The best way to isolate the impact of growth marketing is to run an experiment where the “control g…