PHILADELPHIA - When Henry Powderly II ordered Verizon Communications Inc.'s FiOS fiber-optic service, he knew he was about to be connected to the future of telecommunications. He also got unplugged from its past. Which meant that while Powderly was gaining features, he was losing some telecommunications options. Verizon's installer — without warning, Powderly says — removed the copper wires that used to carry his phone calls. For most of the world, copper still links homes and businesses, as it has for a century. Verizon's new high-bandwidth fiber lines are fully capable of carrying not only calls but also Internet data...