Thinkbuddy is a MacOS interface that integrates advanced AI capabilities, including GPT-4, directly into the Mac operating system. It enables users to interact with their Mac using voice commands, dictate emails and messages, capture screenshots to ask questions, and customize prompts for streamlined workflows. People might want to use it to enhance productivity by quickly performing text-based actions, summarizing or translating content, and engaging in natural language conversations with an AI. With its native-like MacOS experience, Thinkbuddy offers a more efficient way to navigate and perform tasks on a Mac, making it particularly appealing for users looking to leverage AI for everyday computing without leaving their desktop environment.