The biggest consumer market trend of the past decade has been how smartphones have suffocated one consumer product category after another. Portable video game consoles, music players, cameras — stand-alone devices have been left reeling by the relentless improvement of smartphone processing power, memory size and camera quality. Global camera sales shrunk by a stunning -40% in 2013. The immensely powerful Nintendo empire is reeling as its cornerstone 3DS handheld franchise has started missing sales targets. iPod sales have dived into terminal decline. Yet in rare cases, betting against smartphone dominance can pay off. GoPro is one of those rare creatures, a company that has thrived by betting that smartphones cannot crush all narrowly focused, stand-alone consumer electronics categories. GoPro has