New Perspectives in String Phenomenology from Dualities

Abstract

After a review of some topics concerning the phenomenological applications of perturbative string theory, I discuss to what extent all of it is affected by the recent developements in string dualities.

Comments: 35 pages, LaTex . Minor corrections. References added. To appear in the proceedings of the Workshop on Phenomenological Applications of String Theory (PAST), ICTP, Trieste (Italy), October 1997