SlideShare allows users to publish and share presentations online. It also features an "event" function that allows users to create groups for specific events and share presentations privately with related people. Uploading documents and changing the language settings on SlideShare involves clicking buttons and selecting options from drop-down menus. Creating an event on SlideShare importantly involves deciding on a clear purpose, making it searchable, and following any community guidelines.

1. What is "Social Auto Share" in the slideshare website? Why is it an important feature that justifies the use of this website? SlideShare is a web-site which share presentation.

2. User can publish the own presentation to SlideShare and see other presentation.

3. About some topic, user can search the presentation in SlideShare.

4. SlideShare is important for user, because through the presentation, user can communicate other kind of people who use SlideShare.

5. What is the purpose served by the "event" feature? The “event” feature is like a SNSs community function.

6. Presentation is needed when some event occurred and user have to explain something.

7. User can create the some group of each event, user can communicate some specific people who related to event.