1. Showing Privacy Data in the Social Network Application (Facebook) Martinus Dipobagio und Franz Zieris Institut für Informatik Freie Universität Berlin 12.07.2010

2. Research Question2 How the users, especially students handle their data in such network application. Critical data Personal data (name, surname, birthday, -place, sex, family status) Contact data (adress, email, telephone and handphone number, personal blog or website) Data protection Hide the data (set the invisibility in higher level) Masquerading or faking the data

3. Research Question3 Hypotheses Contact data is more critical than personal data. Users prefer invisibility than masquerade. Many peoples don‘t care, if the search engines save their data in a database.

4. Research Question4 Contact data is more critical than personal data = personal data= contact data

5. Research Question5 Hypotheses Contact data is more critical than personal data. Users prefer invisibility than masquerade. Many peoples don‘t care, if the search engines save their data in a database.

6. Research Question6 Users prefer invisibility than masquerade

7. Research Question7 Hypotheses Contact data is more critical than personal data. Users prefer invisibility than masquerade. Many peoples don‘t care, if the search engines save their data in a database.

8. Research Question8 Many peoples don‘t care, if the search engines save their data in a database

9. Research Question9 Threats to Validity Internal validity Extraneous variables: too generalized data, due to privacy and limited time to fill the answer External validity The results could be applicable only for Facebook

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