At the Gamasutra-attended Virtual Goods Summit 2009 in San Francisco, reps from leaders in the microtransaction-based market, such as Nexon and IMVU, discussed the nature of a successful virtual goods market based on first-hand knowledge. Attending the panel, which was moderated by Lightspeed Venture Partners’ Jeremy Liew, were Nexon America (Maple Story) vice president Min Kim, Dai Watanabe from DeNA, which runs Japanese mobile games portal Mobage Town, Cary Rosenzweig of U.S.-based virtual world IMVU, …