Tiny Houses

Small Spaces are attractive to its' efficiency and effective organisation of things and fundamental components that built ones' living style.
Prefabrications, modulations, flexibility to different characters and spatial needs are sustainable.
'The bare neccessity of live'.
Some related links here:-
http://www.archdaily.com/160892/the-pros-and-cons-of-cargo-container-architecture/
http://www.lifeofanarchitect.com/shipping-containers-a-design-primer/
http://weburbanist.com/2008/05/26/cargo-container-homes-and-offices/ 
http://www.busyboo.com/tag/shipping-container-homes/
http://tinyhouseblog.com/ 
http://www.fabprefab.com/ 
http://www.prefabfan.com/
http://www.jetsongreen.com/design/container-design/page/5Simple spatial planning tool available online for free here:
http://urbanbarn.icovia.com/icovia.aspx