Tony Hsieh, who helped grow the online company Zappos into one of the largest retailers of shoes on the Internet, died Friday after being injured in a house fire. He was 46. “The world has lost a tremendous visionary and an incredible human being,” Zappos CEO Kedar Deshpande said in a statement. “We recognize that not only have we lost our inspiring former leader, but many of you have also lost a mentor and a friend.” Megan Fazio, a spokeswoman for Hsieh’s side venture, DTP Cos., told the Las Vegas Review-Journal that Hsieh died from injuries sustained in a house fire in Connecticut. A local CBS affiliate reported that Hsieh died peacefully in Connecticut, surrounded by family. Read more at NPR.