18. Invest $10,000 in Uber in the secondary market by buying some shares from an existing shareholder -- with just a few clicks. If this one gets solved, it wo

18. Invest $10,000 in Uber in the secondary market by buying some shares from an existing shareholder -- with just a few clicks. If this one gets solved, it would be weirdly ironic. That's supposedly what public markets are for. This BTW, is one an entrepreneurial government could tackle.