"Like" their Facebook page and sign up to receive the newsletter. If you are one of the first 500 respondents, you will receive your free sample in the mail by the end of May. The wording in the tab makes it look like it's a sweepstakes, but the fine print says "while supplies last", which means it's actually first 500.
On Friday, March 23, Coffee-Mate will be giving out coupons for a free bottle of creamer to the first 200,000 people, starting at Noon EST. I will post a reminder of this event again next week.
"It'll be a Friday to remember. We're giving away a coupon for a free bottle of COFFEE-MATE® to the first 200,000 requestors! Try any of our delicious flavors, like French Vanilla, Italian Sweet Crème, or Caramel Macchiato. Come back to request your coupon starting 9am PST on March 23rd."