Thanks to Verizon's $23 billion investment in its FiOS deployment, fiber to the home is growing robustly in many of the nation's densley populated metropolitan areas. But there is another story, and that is the growing popularity of FTTH among small telephone companies and other entities that are looking to bring next-generation broadband to rural areas, small towns and expanding exurban markets. There are hundreds of companies that are upgrading to FTTH, with an eye toward defending their markets by transforming themselves into 21st century communications companies. FTTH