David Reimherr November 9, 2018 Digital Marketing, Marketing The Unicorn Principle and E-Commerce Tips with Rafael Romis David Reimherr November 9, 2018 Digital Marketing, Marketing Currently, he’s publishing a book on the Unicorn Principle, a concept that recognizes the value of individuality in marketing. On the podcast, Rafael talks about the Unicorn Principle and the process of starting an e-commerce company.