The best way is to devise singing robot with rap or any typical lyrical song depiciting the happenings, to do things, the good thing about a person,the bad feature of the person, etc.,
This is the best way to attract the attention of the people at large in masses.
This is one of the ways campaigns and anti campaigns are carried out in India and other places.
Also it could be used to educate and create awareness to the people at large,
Once popular the message will spread like wild fire and give the right impacts every where.