A federal judge has ruled that some college athletes can receive payments when they leave school for the rights to their names, images and likenesses, opening the door for them to get a fraction of the billions of dollars generated by collegiate athletics. The decision comes after a lawsuit launched by former UCLA basketball star Ed O’Bannon, who was upset because his image was used in a video game, but he wasn’t paid.

Here’s a few key questions to understand Friday’s ruling: