Algorithms, particularly poor ones, with insufficient human oversight is a problem that can affect both the competitive price setting for books and the bidding of paid search ads.

Product Listing Ads are an effective supplement to AdWords Text Ads.

How to set and manage initial bids for new programs if you don’t have sophisticated tools.

While bid management is critical to the success and scale of a paid search program, it’s certainly not the only thing. Bids can account for, but cannot overcome bad or broken landing pages, poor query matching by the engines, unappealing and vague copy and a whole host of other issues that may get short shrift if bidding is difficult or given undue attention.

It’s human nature to want to know what everyone else is doing. But don’t burn valuable time and money studying benchmarks.

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.