It’s not hard to keep up with Kim Kardashian on social media, seeing as she’s the #1 most-followed person on Instagram and has one of the most popular Twitter accounts. As the world’s biggest reality star, Kim uses her social accounts to give an even more personal glimpse into her highly publicized life. Through social, she promotes products including waist trainers, teeth whiteners, video games, and major fashion brands. The endorsement from a Kardashian, especially Kim, is a guaranteed spike in brand awareness. She has forever changed the social media marketing game through product placement and selfies.