Ans:
2. I cannot see any online presentation on opening the website.
Ans: The file may take time to load depending upon the speed of internet connections. Those using Broadband and othe higher usually don't have much problem. Usually the page loads within a minute.
3. Can I upload my presentation here?
Ans: At present I have not allowed anyone to upload their files themself due to possibility of misuse. However, you can send your presentations to me at pptmedico@gmail.com
I will try to upload the file at the earliest