A study found nearly one in five requests made over dual-mode phones other than the iPhone uses Wi-Fi. But nearly half of all iPhone traffic uses Wi-Fi rather than the cellular network.
Research In Motion expects to start selling a BlackBerry with both cellular and Wi-Fi wireless capabilities, CEO Jim Balsillie said earlier this week. The converged BlackBerry, he said, should come out "in the back half of this year."
The next time you splurge on a double latte and sip it while browsing the Internet via the cafe's Wi-Fi, beware of the "evil twin." That's the term for a Wi-Fi access point that appears to be a legitimate one offered on the premises, but actually has been set up by a hacker to eavesdrop on wireless communications among Internet surfers.