The speaker in the YouTube video explains how to build a Twitter bot using Chat GPT and Python. The bot is designed to automatically post a tweet every day, with the tweet containing the current date. The speaker goes through the steps of signing up for a Twitter developer account, generating API keys and tokens, installing the Python Twitter module, and using a cloud platform to schedule the bot. They demonstrate how to run the code and post a tweet, and also mention how to avoid errors such as duplicate tweets. The speaker encourages the viewers to follow along with the instructions to build their own Twitter bot that will automatically post daily tweets. ChatGpt Tutorial Hub