Not sure if you saw it, but in Apple's 10.7 preview last week, they announced one of the new OS features as being 'auto-save'. Presumably, this means some kind

Not sure if you saw it, but in Apple's 10.7 preview last week, they announced one of the new OS features as being 'auto-save'. Presumably, this means some kind of automatic saving infrastructure, rather than just telling developers they should be doing it.