Glad has taken freshness to a whole different level by showing real-time results of food freshness and integrating this into a billboard campaign. 

This outdoor board, made from 680 orange slices, highlighted the ability of Glads plastic wrap to keep food fresh.  Some slices were wrapped in Cling Wrap, and as the other slices rotted, the message "Fresh Longer" became visibile.

Read more about this campaign on adweek.com.