The problem is that early on dangerous and hard are sometimes synonymous; people argued Uber was dangerous, and in some cases, it was - relatively unvetted driv

The problem is that early on dangerous and hard are sometimes synonymous; people argued Uber was dangerous, and in some cases, it was - relatively unvetted drivers driving people around the city without a taxi license. But now it's changed how we move about the world. It's hard to predict how the end of a startup will look from the beginning, but ambitious ideas often look dangerous, scary, hard, or impossible at the beginning.