Episode 22: Feedback

This is an episode with some more of your feedback. Specifically,
the episode also contains a 5 minute section from Geert Bevin where
he explains how Continuations are used an implemented in the Rife
Framework. This is in response to a discussion about continuations
and Rife in Episode 15, Future of Enterprise Java. We also have
some feedback from Bill Pugh about flaws in our description about
the problems of double-checked locking in Java.