So, next time you open a bottle of pop, you can thank that little blue round for keeping your drink bubbly and refreshing. (Oh, and don’t forget to recycle it when you’re finished!)
Moreover, you should find an arrow that points left or right, et voila—now you know which side it’s on! Can you believe this feature has been right under your nose the entire time? Now you can avoid those embarrassing gas station gaffes.