Get a drink for free for your friend and for yourself in Starbucks. To sign up for this offer, all you have to do is, text 'hi' to 78887. Every day, they will send you a 'good vibes' text, and on the 4th day, you will have 150 bonus stars that will be enough to redeem a free Starbucks drink. After that, you will have a chance to send a friend 150 bonus stars.

Starbucks Corporation is an American multinational chain of coffeehouses and roastery reserves headquartered in Seattle, Washington. It is the world's largest coffeehouse chain.