... Some broadband operators are considering WiMax as a way to expand their networks, and city administrators are looking to offer broadband services cheaply in public places such as parks or in low-income housing areas. ¶ Such networks could erode the market for services such as cable modem and digital subscriber line (DSL) access over traditional phone lines. But the scarcity of suitable airwaves and wide availability of DSL and cable could stunt WiMax growth at least in the United States in the next few years. ... Link: Reuters.com.