1. Social networks: Advantages and disadvantages
Tugba Bastürk, Polina Urbanskaya, Kevin Makiadi, Deva Canatan HH610

2. Contents I. Introduction: What are social networks?
II. Facebook as the most popular social network in Germany
1.) Short history, number of users
2.) Advantages
3.) Disadvantages and possible risks
4.) How to protect yourself from dangers
III. Conclusion

3. What are social networks?
- grouping of individuals into specific groups
- like small rural communities or a neighborhood subdivision

4. Different social networks
- Twitter - Wer-kennt-wen.de - MySpace - StudiVZ - Facebook - MeinVZ - Lokalisten.de - SchülerVZ

5. Facebook as the most popular social network in Germany
- July 2011: more than 800 million
active users

6. Facebook is the most used social network.
About 50% of the users visit Facebook.
Using of Facebook
At least weekly
At least monthly
Seldomer
Unknown
No facebook using

7. User

8. Short history
- Launched in 2004 by Mark Zuckerberg - born on 14 May 1984 in White Plains, New York - studied psychology and computer science at Harvard University Cambridge

9. Advantages of social networks

10. - Fast communication
- Direct communication
Low costs
Meet celebrities
Be informed about your friends

11. - Share your experients (music, video etc.)
- Keeping contact with family, friends and colleagues
- Building new/ old friendships
- Sharing interests and hobbies

12. Exchange with people around the world
Employees are searched by companies (good profile)
Can play games

13. Disadvantages of social networks

14. - Photos, comments etc. that we post will be forever on the Internet
- Private is suddenly no longer private
- Will be accessible to the general public
- We spend a lot of time on PCs

15. - Cases of online mobbing (Cybermobbing) and stalking
- Poorly regulated
- Name, location, age etc. can be used to commit online crimes

16. Risks of a social networks

17. Cybercriminals can easily get
private data
Targeted attacks against the users
For example: personalized spam and phishing attacks

18. Hacker infect the computers of users with viruses
try to lure recipients with newsletters etc. to websites

19. - viruses and trojans are deposited on websites
- potential employers might find information about you that is not appropiate (photos etc.)

20. Thank you for your attention