When you sign-up for the “Ice Cream Social” e-mails through the Häagen-Dazs Shops on Facebook, Häagen-Dazs will email you a coupon for a FREE Midnight Dazzler, a rich, dark and divine treat that combines their Midnight Cookies and Cream ice cream with layers of hot fudge and cookie pieces. Offer good through March 31st, 2011. To sign up, click here. For more information, click here.