HOW TO: Take Advantage of Social Media in Your E-mail Marketing

This post originally appeared on the American Express OPEN Forum , where Mashable regularly contributes articles about leveraging social media and technology in small business.

You’ve most likely had an e-mail newsletter for your company for much longer than you’ve had a presence on social media sites.

But now that you do both, the two can go hand-in-hand, with e-mail creating an opportunity to extend your presence on social media sites, and social...