The Bing REST Client is a library for accessing the Bing Maps and Bing Spatial APIs. Eventually, the library will enable users to access all of Bing's public APIs. The Bing REST Client works with .NET 4.5, Windows Phone 8, Windows 8.x, Android, and iOS.
Your local newspaper probably uses maps on its site. If it doesn't, it will soon. As newspapers look online for readership (and thus, revenue), they look for new ways to show information related to the places they cover.
Foursquare has launched Places API for Start-Ups which provides access to Foursquare location intelligence capabilities at a price point between the free tier account and the Enterprise tier account. The Places API allows companies to integrate apps with Foursquare platform data and capabilities.