Would you like it to be auto save only or custom save (hit a button to save your data.) I would prefer custom save, only because games usually autosave at the worst times.
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Edited by superbreakfast: 1/31/2014 2:48:31 AMSince the game is always-online all your progress is saved in real time presumably to the b.net servers; the exception to this would be rollbacks, which would reset any character progress in the scenario in which Bungie somehow goofs an update.