Remember, most people have never heard of geo-location

On Thursday, the Internet was awash with details about Facebook’s (creepy) leap into geo-location services. Now that Facebook has adopted a Foursquare-like feature, the notion of checking in at locations might go mainstream. But remember: A recent poll showed that 84 percent of adults in the U.S. are not at all familiar with location-based services. So, the question is, do you even know what we’re talking about?