Math is rapidly becoming part of the mainstream in search marketing, but some popular tools for assessing A/B tests give erroneous results. To find out which ones, check out my article at Search Engine Land. [...more]
In a recent article for Search Engine Land, Drew tackles the question, "Why do some videos rank well on Google, but not on YouTube, and vice versa." [...more]
In my latest Search Engine Land article, I look at the text ads Google runs to see what lessons PPC managers can learn about writing "killer" ad copy. [...more]
Search Engine Land recently published my article entitled "The Pitfalls of Budget-Constrained Bidding", where I examine the downsides of both over- and underbidding on keywords. [...more]