“Internet companies have appropriated the real estate businessâ€™s mantra â€” itâ€™s all about location, location, location.
But while a home on the beach will always be an easy sell, it may be more difficult to persuade people to start using location-based Web services.” […]
“For now, many people say sharing their physical location crosses a line, even if they freely share other information on the Web.”
Mostly the young are interested in letting others know their physical location. Others are reticent for safety reasons, or against providing too much information. The New York Times reports: