“Heavy D," star of Discovery Channel’s “Diesel Brothers,” launched the first Heavy Academy on Friday. The conference gave business owners a look into Heavy D's online business practices. About 89 percent of American adults use the internet, yet only two-thirds of businesses invest in online advertising. Attendees were able to learn about e-commerce, social media, website building, online advertising and more through panels and sessions. Speakers included Instagram influencers, entrepreneurs, e-commerce experts and more. Heavy D