Leo Burnett, an American advertising company founded in 1935, had the latest clever idea for Coca-Cola's new friendly twist bottle. It created a design for Coke's plastic bottles, where the cap could only be opened when fit together with another bottle's cap and twisted. Thus, you have to find a friend to be refreshed. Check out how the brand decided to spread the word, and show off their newest concept in the two-minute clip below. Enjoy!