What is a Public Service Announcement? If you don't know what it is, Google it. In your own words, now tell me what it is? What are they used for? Can you recall an example of a PSA you've seen before?

A Public Service Announcement is something announced to the public to raise awareness for a particular issue, or problem, happening in the world. An example of a PSA is when people raise awareness against obesity. Once they release this announcement, there all all sorts of different fundraisers and groups to help people that are obese.