A handful of companies, including Google, have been selected to help test the unused TV frequencies known as white spaces, marking a step towards "a world with super Wi-Fi."The Federal Communications Commission (FCC) last week unveiled a list of nine companies selected to manage databases that will contain information about the availability of white spaces, unused TV frequencies with wireless broadband potential. In September, the FCC approved a proposal for using white spaces to bring about the next generation of Wi-Fi, or “super Wi-Fi” as its frequently called.Google, a longtime advocate of re-purposing white spaces for Wi-Fi, was among the...