Hotspotr lists over 8,000 user-contributed WiFi hotspots. LightPole provides a mobile client you can use to browse Hotspotr from your mobile phone using an interactive, maps-based interface:
You can download the LightPole mobile client for free from the Hotspotr homepage.
Separately, Hotspotr is also taking advantage of the Google Maps streetview functionality. For locations where streetview is available, you will have the option to browse the 3-d streetview imagery:
See an example at the Dolores Park Cafe in San Francisco.
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