They asked for free coffee and actually got it!

The three girls wanted to test whether Starbucks would give free coffee in tiny cups. So, they went inside with their mini cups and asked if they could get free coffee. A staff member came, poured coffee into one cup, and then evenly filled all three mini cups, saying, "Here's your free coffee." But the girls weren't satisfied yet. They asked for some bubbles, too. And the staff added foam to all three cups with a spoon. Just like that, their mini coffee shots were