WEB 3.0
Also known as: Semantic Web or Decentralized Web

• Focus: Decentralization, user ownership, and artificial intelligence (AI)
• Key features:
  - Blockchain technology
  - Semantic web
  - User ownership
  - AI-powered applications

WEB 4.0
Also known as: Symbiotic Web

• Focus: Human-machine interaction and the blurred line between the physical and digital worlds.
  • Key features:
    - Advanced AI and machine
    - Immersive technologies
    - Ubiquitous computing

Here's an analogy to help understand the difference:

• Think of Web 3.0 as a decentralized city where everyone owns their property and governs themselves.
• Think of Web 4.0 as a futuristic city where humans and machines live in harmony, with technology seamlessly integrated into every aspect of life.