WiMax: Clearwire broadband service goes live in Chicago -- chicagotribune.com

After a few false starts, WiMax broadband service arrives in Chicago this week, giving residents access to a technology that promises superfast Internet speeds from any location.

WiMax is a fourth-generation, or 4G, wireless technology designed to trump the speed, strength and reliability of existing 3G networks or Wi-Fi. WiMax also is meant to be ultramobile, meaning consumers with a 4G-equipped device such as a phone or laptop can get residential broadbandlike speeds, even if they're sitting in a park or riding a bus...