Sony's Telling Developers To Prepare For The PlayStation Cloud.

60). As anticipated, the feature will be restricted to PlayStation Plus subscribers and will presumably allow players to back-up their game progress in the cloud. The cloud is obviously like an ever present online storage location.

Apparently developers will be able to opt out of using it, but hopefully they take advantage of it for back-up reasons if nothing else. No word of a release date yet, though we assume a GDC announcement would be a good bet.

Based on Kojima's comments at Sony's press event this week, we can only assume he's already working with this functionality.