Don't be tempted to use "free public wi-fi" when you or your kids want to go online waiting for a flight or in other public places. I certainly have been. But when I've yielded to temptation once or twice, I've closed right out of it, put off by the strange new symbol that turned up – different from the usual connected parallel curved lines where my MacBook's AirPort icon usually is. Turns out my … [Read more...] about Beware ‘free public wi-fi’