Superballs

The famous Sony Bravia ad.
250,000 superballs rain down on San Francisco.

Look out below

High quality extended version:
http://www.bravia-advert.com/commercial/braviaextcommhigh.html

Sony Bravia Ad website:
http://www.bravia-advert.com/balls/

How they did it:
http://www.bravia-advert.com/commercial/