Uber and Lyft both utilize social media platforms like Facebook, Twitter, Instagram, LinkedIn and YouTube to market their ride-sharing services. The document analyzes each company's presence on these platforms, noting things like posting frequency, content strategy, and follower counts. It determines that while Uber succeeds in more formal environments, Lyft wins by taking a fun, entertaining approach that consistently engages customers. Lyft posts new, relevant material on all of its platforms to capture attention in the competitive social media space.