(Marketwire) - Wine.com, the nation's number one online wine retailer, hosted its second annual Wine Industry Summit on Tuesday. Attendees included 230 wine industry executives, a 40 percent increase in participation from the 2011 inaugural event, composed of leading winery, import supplier and wholesaler partners of Wine.com. The event program consisted of presentations by Wine.com executives highlighting the growth and performance of Wine.com as a company, 2011 Wine.com customer purchasing trends, seminars to share insights on merchandising and website functionality, and a site tour of its flagship distribution center, an 80,000 square foot facility in Berkeley.