It is a new and easy to use web based tool.
This is the logo of the Slideshare along with few commands.
The sign up is free for the site. By create a profile we can maintain our own set of files and share it with our friends.
The option for sign up is provided in the top right corner as indicated on this page.
Than fill these details to proceed with the signing up.
To upload the presentation we click the option for upload and select the file which we need to upload. Once the file is uploaded we get an option to set the properties like name description or attach an thumbnail the slideshow.
Once it is published Slideshare converts it into a different format to store it as an archive.
We can view our presentation by clicking the My Slidespace which will give a face book like interface providing others to comment on the presentation and save some favourite slide shows.
As all the PowerPoint uploaded are public we can search for the slide show which we want and go through it and than comment on the slide show if a need arise.
After your presentation is uploaded you can link an mp3 or an podcast file to your presentation by clicking the edit option in My Slideshare. A form as shown in the picture will open where you can click the Create Slidecast tab where you need to provide a ink to an mp3 file or podcast file.