Maybe. Does the billboard get in your pocket and follow you around, keeping track of your location? Does it parse your email for metadata? Does it insert itself

Maybe. Does the billboard get in your pocket and follow you around, keeping track of your location? Does it parse your email for metadata? Does it insert itself in between your news feed because you happen to be in its target group? Does it ask you to accept its Terms and Conditions of Billboard Use and its Privacy Policy?