2 Read More: 5 Tea Brands That Contained High Levels of Pesticides (+ Alternatives) The Siren in the Starbucks logo is more than just a pretty face. Starbucks chose the Siren to symbolize the ...

At the Arizona State store, if customers don't bring their own cup, they are given a reusable plastic one with a Starbucks logo. If they bring it back, they get $1 off, just like customers who ...