Creating mobile Web applications with HTML 5, Part 1: Combine HTML 5, geolocation APIs, and Web services to create mobile mashups

Creating mobile Web applications with HTML 5, Part 1: Combine HTML 5, geolocation APIs, and Web services to create mobile mashups: "In the first part of this five part series, you will tap into one of the most popular new technologies available to mobile Web applications: geolocation. High-end smartphones all have GPS built-in to them, and now you will learn how it can be used by a Web application. In this article you will learn how to use the various aspects of the geolocation standard and how to use it with some popular Web services to create an interesting mobile mash-up."