The DEMO version only includes 4 pages:
http://edcampss.org
http://edcampss.org/_vt_-2955098917085044222_ext_iframe.html
http://edcampss.org/p/sponsor-us.html
http://edcampss.org/p/about.html

It is possible to download these free files and install them on your server, so you can test how the site works.
Visit https://www.waybackmachinedownloader.com to buy a fully functioning site.
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