Changes to an API Terms of Service (TOS) are an inevitable part of API operations, and as API owners work to evolve their APIs, changes can often be at odds with the community. As some API seem to struggle with the best way to update, Google's approach appears to be more balanced. Google just updated its TOS for Google Earth and its popular Google Maps API.
Want to track your pizza’s progress in real-time? Now you can with Pusher’s real-time APIs and Google Maps. In this tutorial, the guys over at the Pusher blog show you how to build your own food delivery-tracking web app hosted on Heroku.
Zillow has released an application for iPhone users that builds on their Zillow API, the Microsoft Virtual Earth API and the iPhone's GPS capabilities. The Zillow iPhone app detects your location and shows data about nearby homes, including market values, photos, and which ones are for sale. It's a great example of a mobile mashup application that uses multiple APIs in meaningful location-aware context.