Just use your spacebar and it'll navigate you linearly, taking you down ad across the pseudotree as you need.
Edit, or click downarrow, if no spacebar.
If you hit space, how do you know
you end up seeing every slide?
For example, someone else said[1] that if you hit ESC you get an overview. How do you find that? What if you don't have an escape key, such as on my tablet?
I'm not trying to be grumpy or anti-anything, I'm trying to gain an insight into how people think this is a good thing, and to provide, in return, an insight into why I think it's unusable.
When you create a deck, there is a pretty good tutorial explaining how the interface works, including what spacebar and escape do.
The real advantage of the service, for me, is the support for embedding any digital media you want into a slide via iFrames, and the ability to use your phone/tablet to advanced slides and see speakers notes if your venue did not provide you with a clicker.
It also has another pretty neat feature where audience members can pull up the presentation on their laptops/tablets to follow along, and their slides will automatically advance to match my progress through the deck.
I'm just trying to explain why its very much a tool for the presenter, not the presentee.
Edit: Slides.com is a locked down instance of reveal.js
Here is a link to their deck, explaining all of its features http://lab.hakim.se/reveal-js/#/