A Face-to-Face Request is 34 Times More Successful Than an Email

How do you get as many people as possible to donate to a cause? Do you send an email to 200 of your friends, family members, and acquaintances, or ask a few of the people you encounter in a typical day—face-to-face—to donate?  In the Harvard Business Review, Vanessa K. Bohns explains which method best mobilizes more people for your cause.