https://vimeo.com/775678840; Детокс 21 (теория); 6:28; Editor's note: The estimated amount of gold left in Earth’s crust is 55,000 tons, not 55 tons as the video states. Business Insider regrets the error. https://vimeo.com/775677180; Детокс 21 (практика); 0:50; Founder of Backstage Capital, Arlan Hamilton, shares the advice she gives to the entrepreneurs she invests in.