The document discusses personal branding and the rise of social media personalities. It notes that the most popular YouTube channels are dominated by comedic and entertainment content from individual creators who have built large followings. These YouTubers have established personal brands and achieved a form of celebrity status through cultivating their image and personality online. However, their fame relies on continual endorsement from subscribers who help shape their persona through comments and feedback. While social media lowers barriers to fame, it also makes YouTube celebrities' status precarious since it depends on maintaining community support.