In AI-obsessed Silicon Valley, live commerce platform Whatnot just notched a new funding round valuing it at $20 billion FortuneThe Hottest App in Retail Is Now Worth $20 Billion WSJRobinhood Ventures Fund I (RVI) Invests $30 Million in Whatnot RobinhoodWhatnot is in talks to raise a new funding round at a $20 billion valuation Business Insider