Promote your Webinar with Eventspan, Slideshare, and Insight24

Note: I am in no way affiliated with Eventspan; I just think it's a good idea.

Have you been to Eventspan.com? The site is still in alpha, but it looks to be fully up and running. Eventspan is (or will eventually be) a database of upcoming webinars. It provides "social media tools and tracking services to optimize the promotion of webcasts and webinars," primarily in the form of web event syndication and slick ad widgets. I'm hoping it will soon blossom into a great networking channel for webcasters, as well as a central clearinghouse for upcoming web presentations.

If your web event has already passed, consider uploading your slide deck to Slideshare so others can view it. If you've got a recording of the entire presentation, you can add it to the growing selection at Insight24. Both of those sites have been described as YouTube for presentations, so you get the idea...they're also great places to find inspiration for your next presentation (or marvel at text-heavy, busy slides).

There are, of course, many ways to promote your web presentations, but these sites seem to have a pretty far reach.