This iOS SDK allows clients to receive GPS observations generated from mobile applications using the MapQuest Tracking SDKs on a second by second basis. MapQuest is a location-enabled Geospatial solution that provides tools for mapping items such as reservations, recommendations to routes, reroutes and more.
DeepEarth, a new map control that integrates Microsoft's Virtual Earth mapping service (our Virtual Earth API Profile) with the Silverlight 2.0 framework, is now available as an open source project on CodePlex.
A year ago Twitter was just a microblogging platform. Sure, it was a popular one, but it wasn't until the announcement of its geotagging API that it took its first step toward being a location platform. Since then, it has expanded its offering to include the four geo APIs I've categorized below.