Nokia's timing couldn't have been any better when the revised and enhanced U.S. version of its flagship N95 smartphone (the N95-3) went on sale last week-just days after the iPhone's 1.1.1 firmware update officially shut down third-party apps and rendered useless many iPhones that had been unlocked.

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If it´s a smartphone,
you bet. In 2004, virus writers released Cabir, the first proof-of-concept virus that could infect smartphones through
an open Bluetooth connection.
So far, Cabir and the 175 other smartphone viruses in the wild haven´t done enough damage to warrant headlines. But it´s only a matter of time before there´s enough financial upside for criminal hackers to begin seriously attacking smartphones. And then, watch out.

Track Anyone With a Cell

Cost: $100
Time: 4 Hours
Easy | | | | | Hard

Few places are more materialistic than Las Vegas, with its grandiose hotels and stacks of cash. But at last week's CTIA (Cellular Telecommunications and Internet Association) convention-which showcased several acres of upcoming cellphone and wireless technology-the focus was less on material goods than on what you can do with them. The exhibits boasted no gotta-get-it-now phone, but they did promise many ways to do more with the phone you already have. From file-sharing to postcard-making, the latest possibilities go far beyond mere talk.