PETA is the largest animal rights organization in the world with over 6.5 million members. They work through public education, cruelty investigations, research, animal rescue, legislation, and protests. PETA focuses their efforts on reforming the food industry, entertainment that uses animals, laboratories that test on animals, and the clothing trade. They have a large online presence through their website and social media platforms like Twitter, Facebook, and Instagram to reach millions daily with their message.