The FCC requires phones sold in the U.S. to have an SAR of no more than 1.6 watts per kilogram. Does the average person really know what to do with that number? Sure, this labeling will help consumers comparison shop so they can best protect themselves from a threat that may or may not exist. But it seems like this law is a bit pointless unless it's coupled with an education campaign that explains to consumers exactly what SAR numbers mean to their health. And since science is still deliberating just exactly what it means, this legislation seems a bit superfluous.