2015 may well be remembered in the retail industry as the year of mobile. This year saw mobile account for more than 50 percent of online traffic and 20 percent of online sales. Wanting to get its piece of the mobile pie, Wine.com, a San Francisco-based online wine retailer, launched a new mobile site this year. In episode 17 of Total Retail Talks, Rich Bergsund, CEO of Wine.com, talks about the impact a new mobile site has had on the retailer's business.