Sources of innovation have exploded over the past decade as companies no longer look internally for bright ideas but also tap into the public's smarts via the Internet. The possibilities are seemingly infinite, so pinning down exactly which next new things to develop requires a clear understanding of the big picture. Patrick Medley, managing partner of Global Consumer Products at IBM Business Services, identifies three game-changing trends coming from the evolution of smart phones – the gadget of the future – and cloud computing. It's early days yet, but could the days of the PC really be numbered?