In the general competitive capitalist society there is a predominance of a ‘Copy Right’ attitude where ideas, knowledge and contacts are fiercely guarded, not shared. Amongst the idealistic ‘make the world a better place by building it better’ society there is a ‘Copy Left’ attitude – at its’ best this is a trusting and cooperative community who freely share their research, experiences and knowledge in the understanding that we will all benefit from this openness and that the development and progression of ideas can accelerate exponentially if many people with similar intent focus on the same issues cooperatively. It is with this attitude that many people & organisations have contributed their time and energy to making this web site and its content possible and we thank them here: