That sounds like it is doing something fancier then periodic snapshotting, such as using an immutable filesystem, where every fs operation is inherently lossles

That sounds like it is doing something fancier then periodic snapshotting, such as using an immutable filesystem, where every fs operation is inherently lossless (up to garbage collection). Of course, I might be reading to much into the continous nature of a slider. Does anyone have experience with that feature?