Federal officials say hundreds of counterfeit hoverboards have been seized in Miami.
Virtual reality industry will be be bigger than TV, according to Goldman Sachs.
Investors are selling GoPro just as enthusiastically as they once bought it.
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Matt Hunter is the senior technology editor at CNBC.com.
Ari Levy is CNBC.com's senior technology reporter in San Francisco.
Josh Lipton is CNBC's technology correspondent, working from CNBC's Silicon Valley bureau.