A public service announcement is a short video like a commercial but it doesn’t try to sell something to you. It tries to get you to do something. For example,whenever you see those ads that have puppies and kittens behind cages and you feel so sad that you want to adopt one of them.That is what a PSA does. You first put in facts. After the facts you tell the reader to TAKE ACTION! Tell them to go to a website or donate time or money. Some PSA’s use famous celebrities to attract more people. This is a PSA.