The main benefit seems to me is that if FrequentReleases really pans out like it's supposed to, the RevenueStream? for the software gets started right away. That is there is an incoming revenue stream associated with the working software concurrent with the ongoing cost of development
CrystalClearMethodology is more focused on incremental benefit than XP. It actually presents properties to be achieved as inventive problems.
This strikes me as more open methodology than XP.
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