The world's largest YouTuber by subscriber count, Jimmy Donaldson, better known as MrBeast, has acquired the financial services app Step, marking his company's entry into fintech with a focus on serving younger users. Step is advertised as an all-in-one money app for teens and young adults to manage money, build credit and access financial tools. The app will operate under the umbrella of Donalson's company, Beast Industries. "Nobody taught me about investing, building credit, or managing money