Starbucks: Free Coffee This Friday (4/22 Earth Day) - When You Bring in Your Reusable Mug
Directly from Starbucks facebook page:
This Friday the 22nd is Earth Day. We're celebrating by asking you to bring in a reusable cup. If you do, we'll fill it with free coffee (or free tea) to say thanks! It's easy to do and it saves trees. In fact, in 2010 we saved 1.45 million pounds of paper by using reusable cups.
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