The DEMO version only includes 4 pages:
http://bigdata-social.com
http://bigdata-social.com/glosario-big-data-a-g.html
http://bigdata-social.com/glosario-big-data-h-z.html
http://bigdata-social.com/technology-research/gartner.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/en/buy-wayback-machine-downloader-recover/ to buy a fully functioning site.
Go back to the index page