Digital media has both challenged the current business model but has also created new opportunities. An upstart brand conceived in a Duke dorm room, Mental Floss has grown into a social, digital media and e-commerce brand. Hear from co-founder Will Pearson about the challenges and opportunities of building a brand in the digital age -- and how Twitter helped the brand gain ground. Presenter: Will Pearson, co-founder and president, Mental Floss @mental_floss