Here is an invited paper that was published in the centenary issue of the Proceedings of the IEEE titled: The Social Implications of Technology: Past, Present, Future. The paper is written by IEEE SSIT members: Karl D. Stephan, Katina Michael, M.G. Michael, Emily Anesta and Laura Jacobs. It is a particularly useful paper for those looking for source materials on the social implications of technology over the last century.
The prolog to this paper was written by Karl and can be found here.