tag:blogger.com,1999:blog-408406672760662348.post5527416950686499414..comments2023-08-29T07:35:02.272-06:00Comments on Idea Explorer: Imagining the Future: Social UnitsBradley Jarvishttp://www.blogger.com/profile/01805346177496537565noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-408406672760662348.post-47072375036504250312010-10-14T16:32:38.970-06:002010-10-14T16:32:38.970-06:00Here are some interesting facts associated with th...Here are some interesting facts associated with the number of people I suggested for the population of a social unit: 160 is close to 168 = 24 x 7 (one hour per person per week); at what the World Wildlife Fund defines as the minimum sustainable ecological footprint (see the newly released Living Planet Report 2010), the footprint of a social unit would be one square mile for 152 people (and not much less for 160); and 160 is within the range of "Dunbar's number," which is the maximum population for healthy social relationships (thanks to David Braden for catching that one).Bradley Jarvishttps://www.blogger.com/profile/01805346177496537565noreply@blogger.com