Did you know that 77 percent of adults on social networking sites have shown support for a product, a service, a company, etc., by becoming a fan, a friend or a follower? When asked why they did so, the number one reason given was to get a discount. In fact, 60 percent of those who followed a company or a group on a social network cited the potential for discounts or coupons as the reason. Many others said they just wanted information. Specifically, 42 percent say they follow companies....