why can Walmart advertise a product they do not sell?
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Re: why can Walmart advertise a product they do not sell?
Unfortunelay there are som many things that go into this but suffice to say, the landign page they are sending to is a search result on the Walmart site. This creates a fairly high relavancy even though the exact product itself is not listed.
Walmart is pretty agressive with expanding their keywords and they also use dynamic keyword insertion a lot, which makes it appear to the end user that indeed their ad is relevant.
For example, one of my nonprofit clients reports on pet food recalls and that is one of the terms that we bid on. So does Walmart, but due to how they manage their AdWords campaigns they get ads with headlines such as: "Recalled Pet Food at Walmart" and descriptions of "Save on Recalled Pet Food with Walmart's Everyday Low Prices."
I even posted on G+ about it: https://plus.google.com/114604500083182965753/posts/63HQSaZSH1x
All the best,