Social media is more than just a sales and marketing tool. It also works wonders to build bonds among staff members.Why do customers return to a jewelry store? Typically it’s because of their experience, and that all comes down to the people who have served them. A number of stores are deliberately trying to strengthen bonds among their employees, and they’re doing it through social media. Rather than using these sites exclusively as consumer promotion vehicles, they’re using them internally—to connect their employees, to share ideas and information, and to provide inspiration. “Social media is a great human resources tool,” says Shannon Chirone, coauthor of Digital Marketing for Everyone: Connect With Your Customers, Grow Your Business, & Demystify Social Media. “Retailers want to raise the level of happiness among employees, and one way to do that is to raise th