PC World - Horace Dediu writes data-driven analyses on a wide range of mobile industry topics. He is the founder and author of Asymco, a blog for "curated market intelligence," and previously worked for eight years at Nokia, as an industry analyst and business development manager.

His background also includes software development, IT management, and computer science research. He has an MBA from Harvard Business School and an M.S. in engineering from Tufts University. He lives in Helsinki, Finland, with his family and a view of the Baltic Sea.

We asked him eight questions about the five-year impact of Apple's iPhone, and he replied from his iPad. (iPhone, Phones)