>In the end I decided the only real way to tell if what we were doing was working, was to turn it all off, for several months to see if there was a measurable difference.
What?
If this person genuinely thinks that there is no way to measure an ad's performance while it is running, they are either too ignorant to be in business, or they hired someone who lied to them.
What?
If this person genuinely thinks that there is no way to measure an ad's performance while it is running, they are either too ignorant to be in business, or they hired someone who lied to them.