I will review the status of classic applications
and evolving methods in perturbative resummation.
Among these applications
are transverse momentum, jet shape and threshold resummations
for electroweak and QCD hard scatterings,
and their relations to evolution,
heavy quark decay and the Regge limit.
In addition, I will introduce some current ideas about the transition
from resummed perturbation theory to
nonperturbative corrections in high energy observables.
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