Original sentence: For example, writing is a social invention, involving both hardware and software -- writing implements and the system of symbols inscribed with them.Sometimes a single work, like Psychological Solutions to Social Problems: An Introduction to Social Technology by Rainer Knopff and Thomas Flanagan, will address both human rights and government policies which ensure them.The term Social Technology is most commonly used to refer to social utilities such as Facebook, rather than whatever theorical work might have preceeded them
Edited sentence: For example, writing is a social invention, involving both hardware and software—writing implements and the system of symbols inscribed with them.Sometimes a single work, like Psychological Solutions to Social Problems: An Introduction to Social Technology by Rainer Knopff and Thomas Flanagan,  will address both human rights and government policies which ensure them.The term Social Technology is most commonly used to refer to social utilities such as Facebook, rather than whatever theorical work might have preceded them