AirTight offers free Web-based hacking seminar: Overview of attacks and defenses on Wi-Fi. How do you get certified as an ethical hacker?

Sanford, Flor., adds free Wi-Fi in downtown: Service up and running by end of March. Cost? About $40K to deploy.

Exeter, N.H., has Wi-Fi at libraries, coffeeshops: Local color: "It's nice just to get out of the home office environment for awhile," said one home office worker at a coffeeshop.

More rabbity goodness: Next talking, Wi-Fi-connected monstrosity launched in Europe. The second Nabaztag features a mike and speakers. It can play podcasts and Internet radio. It smells RFID tags. $189 for this insanity. I'm scared.

Round-up of California muni/metro projects: GigaOm runs the tally of projects across the state that will bring vast areas of Wi-Fi.

Cleveland rocks! And wants Wi-Fi: The mayor of Cleveland would like Wi-Fi across the city's 77 square miles. An RFP will follow. Strangely, the mayor's spokesperson said a $60m to $100m price tag is expected, which probably means a significant fiber component. An existing non-profit offers free access near Case Western.

Bowling Green BPL plus Wi-Fi: Broadband over powerline is being tested in Bowling Green, with Wi-Fi being fed off BPL lines. An earlier BPL test was plagued by problems with older powerlines.

EarthLink launches shelter-Fi in Chicago: Homeless to gain access to computers and Wi-Fi at a shelter in Chicago; 16 more to be unwired through Chicago. Training will be provided.

Paris to deploy citywide Wi-Fi: Alcatel-Lucent to build network, which launches in third quarter 2007. Gratuit, naturellement (free of charge).