Groupon is offering a $10 Starbucks Card eGift for $5 for limited time. Limit 1 per person. Valid within the US only. Must redeem Groupon voucher at http://groupon.starbucks.com for a Starbucks Card eGift, which can be used in any participating Starbucks store. Deal expires March 23, 2013 or while supplies last and must be redeemed by September 30, 2013.

Starbucks Card eGifts are digital gift cards that can be used for anything, such as a cup of the mellow Starbucks blonde roast coffee, a skinny mocha, or a hot or iced hazelnut macchiato. Use it all at once or across multiple visits, in participating stores.