If I had to sum up 250 years of American enterprise in one word, it would be relentless. It keeps coming. It keeps getting better. It keeps innovating.I'm Vlad Tenev, co-founder, chief executive officer of Robin Hood. Robin Hood launched in 2015 and we wanted to create a new type of financial company, one that allowed everyone to participate in the stock market regardless of their age, regardless of their bank account balance. And what we found was this unlocked a whole new generation of investors.And we no ...