Motivational posters

Motivational Posters are pictures on the internet that have a funny picture and a few words that are large under the picture that pretains to a situation that is in the picture. then under the large words there are small words that make the joke about the picture and continues what the larger words were saying. The small words are considered the punchline.

Why are they named Motivational Posters?
They are named motivational posters because when they were originally created they were just for motivational sayings. They were used to give the people looking at them some "motivation" on something in their life. Soon after they started getting funnier pictures and jokes underneath them instead.