Comparison of the use in libraries of open systems--a configuration of software and hardware components from separate vendors linked by interfaces--and integrated systems considers selection of services; reliability; relationships with vendors; time needed to implement systems; and overall effectiveness of both approaches. (CLB)

Describes Vannevar Bush's vision of memex, a mechanized private file and library, and suggests that the ability of users to download library online catalogs and manage the information on personal computers will realize Bush's vision. Current software packages are described, and the possible implications for libraries are explored. (CLB)