GeoClue is a D-BUS service that provides a framework for mobile Linux desktop applications to access location information from multiple sources like GPS, GSM, WiFi and IP addresses. It allows applications to become geo-aware and location-aware by reading location data from GeoClue without having to implement support for different location technologies directly. GeoClue provides a simple interface for applications to query the user's current location and register to receive location change notifications.

1. GeoClue
geo-information framework for
mobile Linux desktops

2. Henri
Bergius
http://bergie.iki.fi

3. Location matters
Your desktop or mobile knows who
you are, what time it is, who you
know and what you're doing.
But it doesn't know where it is.

4. Open mobile
devices

5. Mobile device manufacturers
are pushing location
awareness
iPhone,
Android,
N95,
...

6. Location comes in many flavors

7. GPS

8. GSM

9. WiFi

10. IP address

11. Proximity