After Presentation Upload

What are presentation transcripts?
I don’t want my viewers to see the presentation transcript. How can I remove it?
What are tags? How do I add them?
How can I disable comments on my presentations?
How can I replace a presentation?
How long will my presentation stay published on authorSTREAM?
How can I view presentations uploaded by a particular authorSTREAM user?
Is there any storage space limit for uploading public presentations?
I don't want my viewers to see related presentations of other authorSTREAM members on my presentation pages and embeds. How can I remove them?
I want to remove ads from my presentation pages and profile. How can I do that?