Bigger orders aren’t just better now, they’re better later, too.

Which is more important? It all depends…

The addition of Estimated Top Impressions in Google’s Bid Simulator data has elucidated a little recognized effect of Google acting like a competitor with its advertisers within its auctions.

Get the most bang for your buck in paid search by focusing on the highest priority issues.

Mixing Bing and Yahoo traffic will impact the quality of traffic and influence bids.

James, if you have a moment, I have a few questions.

George rants about myths and the people who propagate them.

The incremental marketing efficiency can be far more aggressive than the average. Here’s why

The iPad launched just a little over two months ago with Steve Jobs heralding the device as a new “third category” between laptop computers and smartphones. Our data suggests iPad users behave much more like traditional desktop and laptop users than mobile users when it comes to online shopping.

Are you ready for Bing-hoo!?!

Budgets should generally be avoided. But if they are unavoidable, here are some thoughts on how to manage them.

How could something that sounds so good, be so wrong-headed?

A layered approach to assessing paid search effectiveness. Now is the time to raise the bar.

A collection of our most enduring posts from 2009

The long tail matters.

Quality Score and Bid play equal roles in determining an ads visibility, but that doesn’t mean you should spend the same amount of time working on each.

Study the data carefully before making rash moves.

Anticipating traffic value shifts at the holidays is the key to a successful Q4.

Thin data impacts every paid search program.

Google finds what we found to be true years ago.

PPC is evolving and it’s getting harder and harder for full-priced and high-end retailers to make it big.

The term “portfolio” has more than one meaning.

When your SEM says “those keywords didn’t work”, it’s time to find a new agency.

The principles of direct marketing have not changed in 50 years. Online marketers would do well to pay attention to the lessons learned from experience.

“Two Concepts of Rules,” with apologies to John Rawls.