Since my op-ed piece on search engine marketing ran in DigitalNext a few weeks ago, Ad Age and other digital marketing publications have run well thought out responses. There are two schools of thought. One: SEM is the best form of advertising. Two: SEM is not advertising.
See related articles: "Is Search Advertising The Worst Form Of Advertising?" and "Why Search Is The Worst Form Of Advertising (But The Best Form Of Targeting)."
