Here are two electronic billboards. The first advert is to advertise a new burger at Mcdonalds. It also has a slogan is Devour it. 

The second electronic billboard advert is about raising awareness for domestic abuse against women.
The slogan for this is advert is don't turn a blind eye. This means if you see it or hear it happen report it. 

http://www.commercialintegrator.eu/article/bruised_woman_heals_when_people_take_notice_of_interactive_billboard

http://www.lamar.com/Products/Digital