![billboards that serve a purpose - IBM](https://www.thebigad.com/wp-content/uploads/2020/11/billboard-serves-community-service-goodwill-ibm-ramp.jpg)
Helpful Billboards (that serve a community purpose) | IBM
Source:https://www.creativebloq.com/posters/ibm-posters-provide-creative-use-6133266
Best Ads to Help Generate Big Ideas
Source:https://www.creativebloq.com/posters/ibm-posters-provide-creative-use-6133266