Email Bind is an innovative AI tool that allows users to access ChatGPT services by simply sending an email. With a free trial plan and a Pro membership plan, users can initiate conversations with ChatGPT through a specified email address. The key features of Email Bind include the ability to access ChatGPT services via email, a free trial plan with a daily token limit of 1,000 tokens per day per email address, and the option to upgrade to a Pro membership plan for increased token limits and expanded functionalities. Additionally, users can unlock the advanced capabilities of the GPT-4 model with the Premium plan and verify their email to gain access to ChatGPT services via Email Bind. Use cases for Email Bind include engaging in convenient conversations with ChatGPT through email communication, exploring the capabilities of AI-powered dialogue, utilizing ChatGPT for various purposes including information retrieval, brainstorming, and creative writing, and accessing ChatGPT services on your own terms with the flexibility of email communication.