Excerpt - page 74: "... To use the API, you must register for a Yahoo application ID (like the GoogleAPI key you received in Chapter 2). To obtain your ..."
Excerpt - page 12: "... Versions Like most software proprietors, Google releases new versions of the Maps API periodically, usually every 12 weeks. The version our page uses ..."
Excerpt - page 36: "... visualization? Double-click on one of the nodes. TouchGraph uses the API to request from Google pages similar to the URL of the node you double- ..."