Free M&Ms

They're all gone as of this post BUT if you like/save their page, keep checking because I don't know the reset time: 
BEGINNING NOON ET ON 4/1/16 AND ENDING 11:59:59 AM ET ON 4/29/16. Register to receive coupon valid for M&M’S® Brand Chocolate Candies (1.14 - 1.84 oz pkg), while supplies last. Limit: 50,000 Coupons per Weekly Offer Period (200,000 Coupons Max). Open to individual legal residents of the 50 U.S.& D.C., age 13 or older. Void where prohibited/restricted. See Offer Terms for complete details.
https://www.facebook.com/mms/app/1668822576739421/