Starbucks—Starts Today! Published by Groupon on May 15th, 2019 6:16am. Groupon $5 for $10 Starbucks eGift Card. Invite Only. Starbucks and the Starbucks logo are registered trademarks of Starbucks Corporation. Starbucks is not a participating partner or sponsor in this offer. Groupon Merchant | FAQ | Gift Cards | Contact You are receiving this email because is signed up to receive Groupon communications. To adjust how often you receive future Groupon emails, including unsubscribing, click here. Delivered by Groupon 600 W. Chicago Avenue, Suite 400, Chicago, IL 60654, USA Starbucks—Starts Today!