The MapQuest iOS Sample Code by MapQuest demonstrates code to access basic map view, basic satellite view, latitude/longitude, polygone, location, and traffic. Enterprise key is required to interact with the API.
Careful what photos you tweet--and where you were when you snapped the shot. There's another site designed to warn you against the hazards of over-sharing. This time it's not related to active location-sharing, but instead accidental. The meta-data stored in your photos may be giving away where you live.
Another API can be added to the list of "Google APIs That Are No More." The Google Latitude service, including the Latitude API, will be shut down on August 9, 2013. Google Latitude is a geolocation sharing service that allows users to find friends and family on a map as well as share their current location with others they choose.