Slidebean is a slideshow creation and sharing website. According to TechCrunch, it’s very new and will “give Prezi a run for its money” (it will be good competition). You can add text, images and collages, charts, videos, timelines, word clouds, and quotations.
Here are a couple of examples:
Top 10 World Cup Goals (by the Slidebeam Team)
Highlights from Edward Snowden’s Talk at SXSW (by Slidebeam SXSW)
The site is free for making and sharing public slideshows. There are also two paid options.
Here’s a video of the creators of the site talking about their reasons and goals: