You must make a minimum of four substantive contributions on two separate days of the learning week (initial post, and 3 classmate responses). Post your response to the discussion question early in the learning week (no later than Wednesday), and then respond to a minimum of three other posts. The discussion exercise closes on Saturday. Choose 2 from the pool of questions below: How does the way the Internet is structured shape its security concerns? Where should the power and responsibility of national governments begin and end in cyberspace? What are the emerging and future technologies that we will have to worry the most about from a security perspective? What cyber threat concerns you the most? How do you think social media will change in the future? Discuss the advantages and disadvantages of social media. To receive full credit for this discussion: Begin contributing to the discussions no later than midnight of the first Saturday after a Lesson opens. Your original post should be a minimum of 150 words. First post must be submitted by Wednesday and continue to contribute with your responses for each day to your classmates no later than Saturday. Read and evaluate at least two of your peer's postings and compose substantial in-depth responses for both. Include examples in your discussion. Use APA guidelines to cite references. Correct grammar and spelling are required.