Twitter

1. Hashtags

1.1. finding information

1.2. discussions

2. Trending topics

3. Fun

3.1. poetry

4. Instant / Fast

4.1. rumors

4.2. false information gets around fast

5. Education

5.1. taking notes in class

6. Easy to use

7. Information

7.1. gathering information

7.2. exhanging information

7.3. sharing information

7.4. fast moving

8. People

8.1. professionals from all fields

8.2. interesting people

9. News

9.1. rumours

10. Short messages

10.1. discussions

10.2. 140 characters

11. Work

12. Favourites