Home TechTrends Article Resource file Department Published: November 1990 Volume 35, pages 29–34, (1990) Cite this article TechTrends Aims and scope Submit manuscript 13 Accesses Explore all metrics This is a preview of subscription content, log in via an institution to check access. Access this article Log in via an institution Buy article PDF USD 39.95 Price excludes VAT (USA) Tax calculation will be finalised during checkout. Instant access to the full article PDF. Rent this article via DeepDyve Institutional subscriptions Rights and permissionsReprints and permissionsAbout this articleCite this article Resource file. TECHTRENDS TECH TRENDS 35, 29–34 (1990). https://doi.org/10.1007/BF02789962Download citationIssue Date: November 1990DOI: https://doi.org/10.1007/BF02789962Share this articleAnyone you share the following link with will be able to read this content:Get shareable linkSorry, a shareable link is not currently available for this article.Copy to clipboard Provided by the Springer Nature SharedIt content-sharing initiative