I had the same question from Marketing two months ago. What I found out
is this: Adwords attributes Conversion to, as they say, Last Adwords
Click. So Adwords gets the conversion if it was in the conversion path.
First, second, no matter where. If it was in there, AdWords takes the
credit. In Omniture it probably is a last click attribution, depending
on which conversion variable you're using and how your report(s) are set
up,From what I've read on Google Support AdWords cookies standard expire
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