Essentials: Kemar Newell, Founder & CEO of FLIP

You may not recognize the name Kemar Newell just yet, but you may be familiar with his app, FLIP. Newell describes his project as an "eBay for the Snapchat generation" -- a lightning-paced marketplace geared for sneakerheads, by sneakerheads. Newell and his team moderate and maintain a safe corner of the gray market on the Internet, one that benefits and protects both buyer and seller. Newell describes himself as a bit of a closet nerd; the Brooklyn native worked at Google's Y Combinator and App...