Web 3, also known as the Decentralized Web, utilizes blockchain technology, AI, and crypto-currencies to create a secure and decentralized network.Features of Web 3 include decentralization, blockchain, crypto-currencies, and AI-powered apps and services.Advantages of Web 3 include enhanced security, ownership of data, resistance to censorship, and the emergence of innovative apps and services.Examples of Web 3 technologies include blockchain-based social media, DeFi platforms, NFTs, and cryptocurrency wallets.