Roles I play as a speaker:
1. When I talk to my teachers
2. Talking with my friends
3. Talking with my family.
4. When I tweet.
5. When I post a status on Facebook
6. When I post a blog on WordPress.com
7. When I send a text message
4. Twitter Followers
5. People who use Twitter who see my Twitter
6. Friends on Facebook
7. Friends of my Friends on Facebook
8. Somebody who might hack into my Twitter
9. Somebody who hacked into my Facebook