Private Presentations

Can I revoke access rights for a private presentation that I shared with the selected contacts?
Can I restrict others of embedding my private presentation to their websites or blogs? How do I that?
Can I restrict others to view my presentation?
I pasted the embed code into a blog or website but my private presentation does not play. What do I do?
I could not successfully post my private presentation on Twitter or Facebook. What do I do?
How can I share my private presentation with my contacts?
Can private presentations be embedded or shared?
Can I share a private presentation that I am invited to view?
How can I make my private presentation public?
My friend shared a private presentation with me. How can I view it?
Can I share someone else private presentation further?