2. Information Technology in a Global Society

3. ITGS The study of the impact of information technology on society.

4. An Example Internet and terrorism Think of other examples

5. How do we limit the scope? Not all technology is information technology. So what is information technology? List things you think of as information technology. List technology that is not information technology.

6. Defining information technology 1.Computer. How is a computer different from all other machines? 2.Digital Encoding. How is digital encoding different from previous encoding of information?

7. Digital Representation Text Images Sound Tom 01010100 01101111 01101101 10001001 01010000 01001101 01000111 00001011 00001010 … 01010010 01001001 01000110 01000100 01000010 00101111…

8. Formal Machine Cars Media Watches and clocks Airplanes Weapons Furniture design Machine construction

9. Digital Information (How different from the past) Perfect and free duplication Instant transportation Ability to take original and transform

10. Formal Machines (How different from the past) Free duplication Easy modification and upgrades Potential for self replication and artificial intelligence. Recursive construction.

11. How is this significant? Microsoft (Bill Gates is worth $30 Billion Dollars)Bill Gates is worth $30 Billion Dollars Google (just sold $1.67 billion in stock)$1.67 billion Napster (Kazaa etc.) Distribution of copyrighted material Cell phones Instant Messaging Digital Movie making