Access from multiple resources: The key result of automation efforts was to make access more convenient to library users. In the days of card catalogues; library systems often forced users to travel to a central catalogue or multiple branches just to discover holdings. To day users can consult all holdings from workstations throughout the system (and often from home). This notion of access from multiple locations has also affected the use of indexing and abstracting services. In 1970s unless a user willing to incur a significant pay-per-user fee from a private online service she/he had to travel to the site in his/her library system that had the published volume containing the sought after index