Take a quick minute to think through your last online purchase…how did you hear about the item? Was it while talking face-to-face with a friend? Or because of picture your co-worker posted on Instagram? When was the last time you made a purchase because of an article posted on Facebook? If you had any doubt about the impact that social media has on purchasing decisions, let it go. According to Nielsen, heavy users of social media spend more than three hours a day on social media. In addition,...