Save 50% on your purchase of a $10.00 e-Gift card for Starbucks when you by from Groupon you will pay only $5.00. A Starbucks e-Gift Card is a digital gift card that can be used towards any purchase at participating Starbucks stores. Treat yourself, or you and a friend to your favorite drink. Use it all at once or across multiple visits. One per customer, by invitation only.