In 2017, the California-based siblings developed what they say is the "first-ever smart coffee machine" grinding VendiBean's signature craft beans into 17 different drinks, such as chai, matcha and non-dairy options. They expects $4 million in revenue this year, mostly from corporate customers like BuzzFeed, Puma, Wing Stop, HP and LiquidIV, who pay a monthly subscription fee based on their team's coffee consumption.