Is 'Wi-Fi on steroids' really the next big thing?

Computer users in many urban and university areas have come to expect connectivity 24/7. There's a cable modem or DSL at home, a high-speed connection in the office and Wi-Fi for the places in between, from the commute to the coffeehouse.

But many long-frustrated suburban and rural dwellers have no choice but to listen to the sound of a dial-up modem handshake, with accompanying slow connections and downloads. Their homes or businesses are in areas that are too costly for telephone and cable companies to wire.

WiMAX, a wireless broadband technology sometimes known as "Wi-Fi on steroids," could provide relief soon, some experts say, although others see many years ahead before the long-touted technology gains widespread use.