42 "Lean AI" refers to providing software as a service (SaaS) featuring AI-powered tools for marketing optimization, data analysis, and customer relationship management. The services include the development, design, and implementation of artificial intelligence software for analyzing marketing trends, automating digital advertising campaigns, optimizing content delivery, and providing data-driven insights to enhance business decision-making. Additionally, it includes consulting services in the field of AI technology and custom software development for marketing applications.