Implications of Electronic Mail and Message Systems for the U.S. Postal Service United States. Congress. Office of Technology Assessment. U.S. Congress. Office of Technology Assessment 1982-08 English A study by the Office of Technology Assessment (OTA) that looks at how "advances in technology and increased competition in the communications marketplace will significantly affect USPS finances, service levels, and labor force requirements over the next two decades" (p. xi). Electronic mail messages. Technology. Postal service. communication advances communication technology United States 1982 Report xi, 113 p. ; 28 cm. Text http://digital.library.unt.edu/ark:/67531/metadc39480/ ark: ark:/67531/metadc39480