When Nokia talks about the future it’s generally a good idea to pay attention. After all, even with diminishing market share , a split Maemo and Symbian smartphone strategy, and less than stellar financials , the company remains the world’s leading supplier of handsets with a proven ability to innovate. So take notice when Nokia’s head of corporate strategy, Heikki Norta, describes what life will be like in 2015 in a video littered with high-tech devices driven by finger-based UIs