pic links

http://organizationsandmarkets.com/2009/09/21/niche-markets-for-obsolete-technologies/   - disk player

http://987ampradio.cbslocal.com/2011/01/17/kids-try-to-make-sense-of-old-technology/ - gold gameboy

http://pmtips.net/deadly-sins-project-management-stale-technology/ - type writer

http://www.gettingstamped.com/2013/09/09/the-doors-of-antigua-guatemala/ - doors

http://www.imixed.net/index.php?showimage=124 - locked gate

http://urbanfragment.wordpress.com/tag/gate/    = open gate
http://www.angusclyne.co.uk/

http://en.wikipedia.org/wiki/File:Graphen.jpg - graphene

http://1ms.net/speedometer-314528.html - speedometer

http://www.flashrolls.com/wallpaper/album/power-vol-2/14 - power

https://www.short-let-apartments.com/blog/go-green-save-your-energy-bills-and-be-happy/ - efficiency

http://fc09.deviantart.net/fs71/i/2012/234/c/f/magical_key_by_brjaladur-d5c2cai.jpg - super key

http://www.procas.com/blog/index.php/10-totally-mind-blowing-inventions/ - mind