What is Social Media? (In Summary)
Social media refers to online platforms and apps that enable users to create, share, and interact with content (like text, images, videos) in virtual communities. It's essentially digital networking on steroids—think Facebook for friends, Twitter (now X) for real-time chatter, Instagram for visuals, and TikTok for short-form fun.

Key Elements:
- **User-Generated Content**: Anyone can post, comment, or react, fostering conversations and trends.
- **Connectivity**: Links people globally, from casual chats to activism (e.g., #metoo).
- **Algorithms & Monetization**: Feeds personalize what you see; ads and influencers drive revenue.
- **Pros**: Builds communities, spreads info fast, entertains.
- **Cons**: Can amplify misinformation, echo chambers, privacy risks, and mental health strain.

Born in the early 2000s (e.g., MySpace, 2003), it's now a $200B+ industry shaping culture, politics, and business. In short: It's the world's water cooler—vital, messy, addictive.

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