Lebesgue is a tool for artificial intelligence for writing texts and marketing analysis, which provides tips and recommendations step by step, helping companies improve their marketing results. It offers functions such as market research and competition analysis, comparing advertising on Facebook and Google Ads, analysis of customer value in the long run and much more. Thanks to Lebesgue, companies can get a unique look at their marketing activities and optimize their strategies to achieve greater success. This tool provides users understandable and clear reports and tips that help identify key areas to improve. Acting based on the latest artificial intelligence technologies, Lebesgue transforms abundant marketing data into useful information and allows entrepreneurs to make more accurate decisions based on real knowledge. The reliability, effectiveness and intuitive Lebesgue interface make it an irreplaceable tool for every company that wants to get a competitive advantage on the market.