A lot of people don’t realise the impact social media is having on their business right now. Few people know this better than Nik and Alex from Hi Smile who turned $20K into $60M in 3 years by selling teeth whitening products. They made 2018’s Forbes 30 under 30 rich list, and have enlisted names like Kendall Jenner, Kylie Jenner, and Conor McGregor in their influencer line up.