Imagine this: You’re walking around one sunny day on the north side of the city when you hear what sounds like a thunderstorm. Suddenly, you turn and see thousands of colorful rubber balls bouncing toward you in full force.
Why it matters: Longtime San Francisco residents will remember the whimsy and fun unleashed by a torrent of 250,000 bouncy balls in 2005. The spectacle was carefully orchestrated and created one of the most memorable ads of all time…