But it’s also too simple.
It ignores the back-and-forth. Things don’t just feed outward like that, and I’m always leery of this kind of stuff – how many people will see this and take it as marketing gospel?
Aaron has lots of great stuff, but this one’s off the mark.
If I may be so bold, I think a diagram showing effectiveness by type of vehicle, and the interrelationships, is more effective. Sorta like this one: click here.