World Economic Model. Unit: Cows Not saying that I fully agree.but a lot of it was funny.
PIR motion detector, economic model
The economics of how Bitcoin works || This column analyses an economic model of a cryptocurrency system featuring user-generated transaction fees, focusing on Bitcoin as the leading example. https://www.weforum.org/agenda/2017/12/the-economics-of-how-bitcoin-works/?utm_campaign=crowdfire&utm_content=crowdfire&utm_medium=social&utm_source=pinterest
Agriburbia® incorporates the current set of sustainable practices such as alternative energy, natural storm water management, and pedestrian focus and adds a new element that is the re-integration of food production directly within the living environment.