While Microsoft CEO Steve Ballmer touted the US arrival of his company's Google AdWords killer, potential customers who use the Firefox browser found their attempts to join AdCenter were being killed by a lack of cross-browser compatibility.

Microsoft AdCenter forms the thin edge of the wedge Ballmer and company would like to drive into the online advertising market, and if the beating heart of the Googleplex is in the way, so much the better.

AdCenter doesn't want to play with browsers beyond Internet Explorer 6 and up, though. To the casual technology observer, the opinion may be "why should it?" After all, IE holds a dominant share of the browsers being used globally, in the 85 percent range.

Read more at http://www.webpronews.com/topnews/topnews/wpn-60-20060506AdCenterNotReadyForFirefox.html.