Sociocultural evolution justify new policies such as eugenics. Most 19th-century and some 20th-century approaches aimed to provide models for the evolution of humankind as a single entity. However, most 20th-century approaches, such as multilineal evolution, focused on changes specific to individual societies. Moreover, they rejected directional change (i.e. orthogenetic, teleological or progressive change). Most archaeologists work within the framework of multilineal evolution. Other contemporary approaches to social change include neoevolutionism, sociobiology, dual inheritance theory, modernisation theory and postindustrial theory. In his seminal 1976 book "The Selfish Gene", Richard Dawkins wrote that "there are some examples of cultural evolution in birds and monkeys,
The Future of Ideas The Future of Ideas The Future of Ideas: The Fate of the Commons in a Connected World (2001) is a book by Lawrence Lessig, at the time of writing a professor of law at Stanford Law School, who is well known as a critic of the extension of the copyright term in US. It is a continuation of his previous book "Code and Other Laws of Cyberspace", which is about how computer programs can restrict freedom of ideas in cyberspace. While copyright helps artists get rewarded for their work, Lessig warns that a copyright regime that is too strict and