Ahh, probably my favorite mashup to date. Geolocation+CSS+CSS Transforms (as proposed by WebKit)+printing. Sweeeet!

I think this is the first shipping browser with GeoLocation support... cool stuff.

"Download is free. Try it out on your iphone and walk through town: You will experience a city with distinct locative melodies. Sniff_jazzbox creates an audible city. It converts the wlan-waves into sound waves. The extended version for iphone will let the user control instruments and speed of the melodies. Concept by and-or.ch & johannes auer."

"GeoServer is a open source software server written in Java that allows users to share and edit geospatial data. Designed for interoperability, it publishes data from any major spatial data source using open standards."

Skyhook's "Submit a Wi-Fi Access Point" page is kinda buried but useful.

"This specification defines an XMPP protocol extension for communicating information about the current geographical or physical location of an entity."