Flashy gadgets humble us all sooner or later. My eureka moment came last fall while I was attending an emerging-technologies conference at the Massachusetts Institute of Technology. I walked into the pressroom, ready to plug my laptop into the Internet, only to find the room completely devoid of electronic equipment.
Embarrassment needled me in the head like a virtual noogie. Wireless computing, it dawned on me, was no longer emerging. It's here. The gap between what I cover as a journalist and how I live widens daily. Despite a long-held fascination with the shine and beep of all things high tech,...