The text provides a comprehensive guide on implementing OAuth 2.0 for non-web clients, focusing on the challenges and solutions associated with this process. While OAuth 2.0 is typically straightforward for web applications, implementing it for non-web clients such as command-line apps and IoT devices presents difficulties due to the need for redirect URLs. The guide details how the OAuth 2.0 Device Authorization Grant flow can provide an optimal solution, using examples like the Heroku CLI and a Discord bot with Facebook login. It explains how to configure a Discord bot and a Facebook app, and how to use Python packages to handle OAuth requests. The guide also compares different approaches, highlighting the recommended Device Authorization flow for its improved user experience and security. The article is written by Boluwatife Fayemi, with editorial contributions by Bala Priya C, and suggests using Earthly to streamline the build process for developers.