Sure it would be nice to know right away if our plane is delayed. It would be wonderful if, when our doctor's appointment is changed, we were automatically notified on our cell phone or hand-held. But we get by OK as it is. Even if the services worked today as advertised, I wonder if people would pay anything for them. There are just too many other ways to get generic information.
Psychology also plays a huge role in the wireless future.
On the move all the time. Wireless looks great for maintaining a competitive edge, getting one up on the competition. You can make that call back at the office. You can use the pay phone at the airport. The cycle winds down in the same way it spiraled up.