The state of the mobile marketplace currently, depending on which continent we are in, is split between Apple's iOS platform and Google's Android and it's hardware variants, and the fierce competition doesn't look like it will stop anytime soon. What this means for developers and startups, is that if you opt for one platform over another, means you forego anywhere between 40-60% of the market instantly.
Many sensible businesses choose one platform to focus their mobile efforts on, most notably iOS, before evolving to other mobile platforms. The book Designing Multi-Device Experiences: An Ecosystem Approach to User Experiences across Devices by Michal Levin (@michall79) provides a methodically comprehensive discussion into how to extend and span the user experience and usability across multiple disparate devices, be it mobile, tablet, or desktop, and inferentially even wearable devices.
The author presents a practical framework, based on the three Cs -- Consistent, Complementary, and Continuous approaches to explain different distribution of experiences, from equality to attributive experiences. From the initial four chapters which identify the theory of these framework approaches, the author then dives into the realms of integrative design principles, and rather than choose between the different approaches, how you can selectively pick the best on a module-by-module basis.
The book culminates in the penultimate chapter, with a dissertation of Multi-Device Analytics, and how to measure the device ecosystem performances, across various metrics. The 8-chapter book is quite concise, easy to read and provides a platform for you to go out and do some of your own research, devise your own lean analytics and scope your strategy and roadmap more effectively (not to mention efficiently). I enjoyed the author's style, the book made sense to me, and the case-studies of companies and other products mentioned in the book adds weight and substance to the author's framework assertions.
PriorKnowledge: For Product Managers, Startup Designers/Developers and those who are interested in planning to roll out apps across multiple platforms. The book does not assume any technical development knowledge.
My rating : 4.5