It isn’t every day that four guys give a 140-billion-dollar industry a run for their money, but, in 2010, that’s exactly what the creators of the New York City-based online eyeglasses retailer Warby Parker did. The brand is ubiquitous with cosmopolitan hipsters, and it's boutique frames with names like “Wilkie,” and “Darby,” evoke the feeling of walking down halls of an Ivy League University.