A WebmasterWorld thread has reports of searchers noticing a new ad format available for hotels. The ad came up for a search on [las vegas hotels], although I cannot replicate it myself, and you see the typical comparison ads.
Matt McGee posted a picture of the ad on Search Engine Land:
This seems to be powered by the comparison ad feature, along with Google’s hotel finder tool, as we also saw in the maps results.
Alex posted at WebmasterWorld saying:
How do you feel?
Forum discussion at WebmasterWorld.