A different model for delivering WiFi

13th Floor contemplates the death of Philadelphia's municipal WiFi service and wonders if there might be a better way to deliver the same thing. Sipping my coffee and tapping out e-mails at Powell's Books, I couldn't help thinking about a proposal made last month by Esme Vos, the Wi-Fi evangelist who founded the MuniWireless blog. A few weeks back, she looked into a cup of cappuccino at a San Francisco coffee shop and saw a way that city could have gone about creating wide-reaching Wi-Fi net