Vancouver expands public access to free wireless

It became easier for Vancouver mobile users to find free Wi-Fi on Friday with the activation of hundreds of hot spots throughout the city.
But experts are warning against using public Wi-Fi for transmitting anything private.
Vancouver Mayor Gregor Robertson boasted the eventual network of 600 free Wi-Fi locations would make the city tops for free connectivity across Canada, third in North America after New York and Washington, D.C., and among the top 10 cities worldwide.
He told a news conferenc