And their blog has some details to whet your appetite: Getting Started on the Google+ API - Google+ Platform Blog . Even better, they are going to provide
libraries for your favorite language: Java, GWT, Python, Ruby, PHP, and
.NET. These libraries are all open source, so we’d love to have your
feedback and help with them. Google has a strong
social networking platform with Google+. This should help drive even
more usage and adoption of it (not to mention great new apps).