About 10.7% of all homes not in foreclosure in the U.S. currently for sale were built between 1970 and 1979, according to real-estate website Trulia, which analyzed listings that contained a home's build date in the property description.

WSJ: The Return of That '70s House

And (speaking of real estate) which sort of ad is more likely to sell a house nowadays: the newspaper's truncated description with a single, low-resolution thumbnail, or a virtual tour with live mapping services and geographical and geopolitical information with feature comparisons to other properties available?

CNN: Why dirty up my hands with newsprint?