only about these topics: -Privacy and Security is a Shared Responsibility: 1-Governmental Responsibilities (setting rules, educating people…. etc.) 2-Developers' Responsibilities 3-Business' Responsibilities 4-Home Users' Responsibilities 2- strategies design Privacy  : (explain ) 1-Minimize 2- Hide 3- Separate 4- Aggregate 5- Inform 6- Control 7- Enforce 8- Demonstrate