With Slide Share you can include Documents, Spreadsheets, and PowerPoint at the same time.
With Slide Share you can invite people to work with you on a project. All you need to know is the email address of the person.
Your worst nightmare has begun, the request for a computer and screen was not received. No problem as long as you have access to the internet you can retrieve your presentation. This is also good if you forget your jump drive.
Again you are covered by Slide Share, with the addition of audio your presentation can be used as a webinar. Or at the very least someone else can go in your place with your audio and control the show.
I know you are thinking, this is great but the cost must be huge. Oh well, there goes using that in the classroom.But wait, its…FREE!!