It's the talk of the radio business and could turn out to be one of the biggest stories of the year. Does Voltair, a processor made by Telos Alliance, boost the signal of your radio station just enough to fill in "gaps" of listening not recorded by a Portable People Meter? If you ask Nielsen, the answer that question is still under review. If you ask managers writing checks to get the units ships and installed, they say yes. Until Nielsen provides a detailed explanation about the product, whether PPM has flaws and what they may or may not do about it, all we can do is provide you with as much information as possible about the product. So...here are FIVE things you should know about Voltair if you are on the fence about ordering.