How to succeed at failing, part 3: Grit vs. quit (update)
<p>Professor <a href="https://mitsloan.mit.edu/faculty/directory/eric-arthur-von-hippel" target="_blank" rel="noopener">Eric von Hippel</a> said: "Every field we look at in terms of the basic innovations, about half were done by users. And it's fantastic. Companies very seldom mention the user-devel...