In Detail A web mashup is a new breed of web applications that use data and services from one or more external sources to build web applications in a completely new and different. This book shows you how to write web mashups using Ruby on Rails - web application development framework of the new. APIs covered in this book This book covers: the Google Maps API, Yahoo's geocoding service, service Geocoder.us geocoding, geocoding service Geocoder.ca, Hostip.info, Google Spreadsheets, EditGrid, Clickatell, Interfax, Amazon ECS, Sparklines, Facebook, Indeed, DayLife, Technorati, Futef, WebserviceX Currency Converter, WeatherBug, Google Base, Geonames, Flickr, Paypal, Google Calendar, Google Account Authentication, Google Data, Google Spreadsheets and Data. What you will learn from this book? You will learn what mashup applications and mashup plug-ins and how you can effectively use mashup technology to do more than just Web 2.0 startups. You will also learn how to use Ruby and Ruby on Rails to combine, mix, and match nearly 30 API mashup from small to very large scale, and from completely free for commercial use for: Fleet map kiosk in a marketing message online mapSend via e-mail, SMS, and faxSell and track sales through applicationShow booksSearch to work for all sorts of information about geographic locationBuy and pay movie ticket and then posts the information in a calendarApply online screening, approving, and paying employee expense claims Approach This book-based project.