Double is an AI tool designed to enhance the lead generation process. The tool provides means for both identifying prospective leads and enriching known lead data. Notably, it utilizes GPT to gather information autonomously from the internet, eliminating the need for manual research on each lead. Double supports inquiry-based lead prospecting, allowing for questions regarding a companys specifics, such as their work model, product range and compliance status. Apart from researching the leads, Double also verifies prospect emails, enhancing contact precision and reliability. The tool employs data from multiple private sources for higher verification accuracy. While it primarily serves as an assistive tool for sales and marketing teams, Double also features functions which help draft highly targeted messages for outbound campaigns. Potential for improvement of conversion rates is suggested through the use of these personalized messages. Lastly, Double provides demo and customer support for better use of their product. The service they offer contributes to optimizing lead generation processes and improving outreach efficiency.