how to use slideshare.
by adrian tham.

what is slideshare?
Slideshare is a slide hosting service. With Slideshare, you can upload
your PowerPoint or Keynote presentations to share with the world.

step one - create.
To use slideshare, you must first create an account.
Just visit http://www.slideshare.net/signup

step two - upload.
Create your presentation and visit http://www.slideshare.net/upload
to upload your presentation.

step three - share.
Search for other presentations to view and comment. Enjoy!

references.
All screenshots taken from www.slideshare.net