The Internet Computer celebrates its fourth anniversary, reflecting on achievements and looking ahead.DFINITY Foundation Founder Dominic Williams envisioned blockchain as a 'World Computer' hosting various services through smart contracts.The Internet Computer Protocol (ICP) aims to replace the traditional IT stack with enhanced security features on a decentralized network.ICP continues to attract developers and expand its ecosystem, with significant growth in developer activity and tool adoption.The physical infrastructure of the Internet Computer has grown substantially with 92 independent node providers and 113 data centers globally.AI integration has been a focus, with projects exploring AI agents and hosting AI models directly on the blockchain.Chain Fusion technology allows smart contracts on ICP to interact with other chains, enhancing interoperability in the Web3 space.2025 milestones like Helium and Nexus are expected to further improve Chain Fusion capabilities and DeFi offerings.The Internet Computer community actively engages in global events and partnerships, demonstrating the platform's potential.The ecosystem is thriving, with diverse projects building on the Internet Computer, showcasing applications from social media to DeFi.The upcoming World Computer Summit 2025 in Zurich will highlight the Internet Computer's journey and future prospects.