The Low Road or the High Road for Ad Agencies?

The industry road that ad agencies are wandering down is about to narrow. Sooner or later, agencies will find themselves at a fork that is less like a choice and more like an inevitably. The fork will not involve a 50-50 choice. Heads to the left; tails to the right? No; it's not that kind of fork. The choice will be between the High Road, to the left, and the Low Road to the right.