Recently created topics in SlideShare tagged with powerpoint

I would like to be able to show someone a PowerPoint presentation that I have a slideshare while talking to them on the phone. I would also like to be able to control when when we both move to the next slide on our respective computers. I guess this is like a webinar. Can I do this with slideshare?

cannot upload any powerpoint...tried multiple. Why can't I upload anything?

Well, see the question in the title ;)

I found that slideshare did a great job of importing my presentation except that the embedded font I used was lost.

Is there any way to embed fonts in the converted presentation?

PowerPoint makes me sad, and Keynote makes me happy, but last time I checked I couldn't upload my Keynote file into your system. Little help?

Macs forever!