Video camera maker GoPro takes a page out of Twitter's handbook and submits a confidential filing for an initial public offering with the SEC. What does it all mean for the camera company? Ian Sherr ... more 
Video camera maker GoPro takes a page out of Twitter's handbook and submits a confidential filing for an initial public offering with the SEC. What does it all mean for the camera company? Ian Sherr reports. Photo: Getty Images. less 
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