You couldn't be taken seriously as a businessperson without a fax number on your card. In a similar fashion, there will come a day when you'll have to go wireless. That day will be September 17, 2003. I'm not talking here about narrowband services such as cellular phones. I mean broadband services that let you connect wirelessly to the Internet with a handheld device.
Data rates fast enough for realistic Internet connectivity.
Service anywhere on the planet at reasonable rates. Enough customers and enough vendors to create a self-sustaining market. Software and services that give you a competitive edge. We're just getting glimmerings of what those apps may look like. Many companies are working on this idea already.