Reprinted with permission from the Lyris.com blog archives. By: Dane Christensen By now, everyone in the online marketing world is familiar with the concept of “long-tail keywords” — the theory that human behavior naturally spreads out across a curve, with the bulk of activity clustered around the most common behaviors and the rest gradually declining…

Reprinted with permission from the Lyris.com blog archives. By: Dane Christensen Well, pay-per-click (PPC) advertising on Google AdWords just got a little more complicated. With the recent release of Enhanced CPC bidding, Google has provided us with one more way to potentially optimize our return on investment (ROI) – and one more detail to factor…