The press release has yet to come out but it's official that RH Donnelley, the third largest US yellow pages publisher, has acquired local SEO/SEM firm LocalLaunch. That means YellowPages.com/AT&T is the only remaining major US yellow pages publisher that has not acquired an SEM firm. SuperPages recently bought Inceptor and Yellow Book purchased ClickForward previously.
I'll do a more elaborate post on my blog later.
Postscript Barry: Just a quick note that ClickZ has more details on this, and the Search Engine Roundtable has the community reaction to the sale. Congrats Justin and Brad!
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