Do I need to sign up on authorSTREAM before uploading a PowerPoint presentation?

No, you don’t have to sign up to upload a PowerPoint presentation on authorSTREAM. You can do it as a guest. However, signing in will allow you to do many things which are not possible otherwise. By signing in, you can:

• Share a presentation with friends and family
• Post comments and likes about the presentation
• Get your presentation widget
• Broadcast a presentation with Present Live
• Create a channel which contains a theme-based repository of presentations that fits your web presence
• Send a presentation video to YouTube