Edit 2: 1. Self-referencing in my last point refers to gauging your own response to ads as a barometer of their effectiveness. 2. My points above are based on

Edit 2: 1. Self-referencing in my last point refers to gauging your own response to ads as a barometer of their effectiveness. 2. My points above are based on spending at scale globally (over 70 countries) for B2B and B2C products with multiple avenues to monetization 3. The outcome of my experience is based on this data in aggregate but I do not assume that past behavior indicates future success. The market is changing rapidly.