Would you betray a friend's privacy for free pizza? A lot of people apparently would. Nearly 75% of Americans are very protective of their personal information. Unfortunately, many folks are quite cavalier about compromising their friends' personal data for reward, and it doesn't take much. Market Watch reports, 98% of students surveyed at MIT would unflinchingly compromise a friend's personal information for free pizza. A small group (6%) provided false information. I'm not going to make any disparaging remarks about millennials...