I can't believe it, but it is true in some cases !
If you have a forms-application and some form-starts are too slow in your mind, then you can try to use a synchronize to speed up the initial display. The user now thinks, that the form itself starts faster, but internally only the first display-refresh is faster.
WHEN-NEW-FORM-INSTANCE - trigger
-- your WHEN-NEW-FORM-INSTANCE-code
try it and believe it too !