Social media influencers have transformed how brands market their products and how people consume information. With their large followings, they shape public opinion and influence consumer behavior. Take Kylie Jenner, for example. She is one of the most influential figures on platforms like Instagram. When she tweeted about Snapchat’s redesign being bad, the company’s stock dropped by $1.3 billion in value. This shows how a single influencer’s opinion can have real financial consequences. Another major influencer, PewDiePie, has built a massive audience on YouTube. His opinions on gaming, entertainment, and even social issues can sway millions of people. For instance, when he positively reviewed a video game, it often led to a surge in sales for that game. Brands collaborate with these influencers because their followers trust their recommendations. This trust leads to changes in purchasing decisions and even broader cultural trends.