summarize to one paragraph "Before: Departments often worked in silos with limited interaction. After: AI tools facilitate better communication and collaboration across departments, such as marketing, sales, and customer service, by providing a unified platform for data and insights. Shift in Roles and Responsibilities: Before: Employees focused on routine tasks and manual data entry. After: With automation handling routine tasks, employees can focus on strategic activities, such as data interpretation, strategy development, and creative problem-solving. Training and Skill Development: Before: Limited need for advanced technical skills. After: Increased emphasis on training employees to work with AI tools and interpret data analytics