IMVU makes heavy use of this technique: http://thespeedbump.livejournal.com/63798.html http://thespeedbump.livejournal.com/63798.html http://thespeedbump.livej

IMVU makes heavy use of this technique: http://thespeedbump.livejournal.com/63798.html http://thespeedbump.livejournal.com/63798.html http://thespeedbump.livejournal.com/64053.html http://thespeedbump.livejournal.com/64053.html It's the only way we've found to write understandable, maintainable flows that touch network requests and user input. Explicit continuations are way too error-prone, in our experience.