SEO fundamentally changed by launch of Bing

Just when you thought you had search engine optimization (SEO) all figured out—or at least were on the way to figuring out—Microsoft launches its search engine Bing and redraws the map. For instance, here’s one challenge for marketers: If you search the word “gravy,” Bing will return Web pages similar to the way Google does. But it also provides related searches, like “How to make gravy,” “Turkey gravy” and “Gravy ingredients.” Problem is …