This contribution, aimed mostly at experimental particle physicists, reviews
some of the main ideas and results of String Theory in a non-technical
language. It originates from the talks presented by the authors at the
Electro-Weak session of the 2002 Moriond Meeting, here merged in an attempt to
provide a more complete and concise view of the subject.Comment: LaTeX, 28 pages, 13 figures. Contribution to the proceedings of the
2002 Rencontres de Moriond "Electroweak interactions and unified theories
