Why Nearly 1 in 7 Americans Still Lack Cell Phones

It's becoming a rite of summer: as the mercury rises, Apple introduces a new version of its iPhone. And as the new-and-improved device went on sale last week, campers once again lined the sidewalk in midtown Manhattan. The new iPhone features faster Web browsing, clearer audio and basic GPS functions; so far, reviews have been mostly positive. But as early adopters clamor for this latest high-tech status symbol, let us consider the group at the other end of the wireless bell curve: the one in seven Americans who still don't have a cell phone.