Introduction
When posting media to ImageShack or Yfrog you can specify location information. This location will be stored along with them image and could be used to show location where it was taken.
Details
Location information is presented in form of tags. This practice also often referred to as "geotagging".
3 tags needs to be specified. Example:
geotagged
geo:lat=57.64911
geo:lon=10.40744
This describes the geographic coordinates of a particular location in terms of latitude (geo:lat) and longitude (geo:lon). These are expressed in decimal degrees in the WGS84 datum.
3rd party sites
When image is posted to Twitter using Yfrog APIs, location information will be automatically submitted to Twitter.