The tutorial shows how to build a decentralized library using Celo and Pinata. It starts by discussing the challenges faced by traditional libraries in adapting to the digital landscape and the potential benefits of decentralized libraries. The article then provides a step-by-step guide on building a decentralized library, including writing a smart contract, deploying it on the Celo blockchain, and creating a frontend using React. The article also discusses the importance of prerequisites such as having a Celo wallet address, a Pinata account, and a basic understanding of Celo and smart contracts. Overall, the article aims to promote improved access to information, preserve cultural heritage, and ensure data privacy through the creation of decentralized libraries.