To create shared value from mobility by bringing dynamic and useful content to the streets of our cities. Firefly is an out-of-home ad network (car-top displays) that buys third-party data like mobile advertising IDs. California residents can opt out of the sale of personal information via a form at fireflyon.com/personal-information, or email privacy@fireflyon.com to request deletion. Firefly says it will only honor access/deletion requests after verifying your identity, and may ask for your device's mobile advertising ID to do so.