Turkka Keinonen & Harri Kiljander 
Mobile Usability: How Nokia Changed the Face of the Mobile Phone [PDF ebook] 

When it comes to delivering product design innovations to mobile device users, Nokia is the yardstick by which all others are judged. Now the process and working methods that have enabled Nokia to revolutionize usability are fully explained for the first time in this beautiful, four-color book.Written with insight by two veterans of Nokia’s design triumphs (co-author Christian Lindholm was featured in the August 2002 issue of Business 2.0 magazine)this one-of-a-kind reference vividly delivers:* The complete design process, from concept creation to product testing* The future of small interfaces* Usability engineering in practice in the mobile environment* The elements of a Nokia User Interface* First person accounts of the product development cycle Learn the processes that helped Nokia develop the world’s most desirable handheld