Why to learn? What to learn? How to learn? — Why Tools & Technologies for Product Managers? Product Managers deal with cross-functional team-members(Design, Development & Testing, Deployment, Analytics, Marketing, Sales and Customer Support teams). Product managers need to understand these cross-functional team-members in-order to avoid inefficient products and deviations. Otherwise, they won’t be able to get success for the respective business-objective they are working upon.