Nope, you're just describing two different use cases (real time transfer vs. delayed transfer). Currently you can use the installable app and files will resume/restart whenever either disconnected machine comes back online to combat the often-sleeping laptops you reference.
The thing about persistence via storage is that now you're talking cloud storage, and that's a pretty overloaded and over-served market with a race to the bottom on price. We're fanatic about speed and privacy so we're p2p only right now and we really love the potential for this tech. Ideally, we'll make the persistence issue irrelevant rather than falling back to what we consider outdated tech...
The thing about persistence via storage is that now you're talking cloud storage, and that's a pretty overloaded and over-served market with a race to the bottom on price. We're fanatic about speed and privacy so we're p2p only right now and we really love the potential for this tech. Ideally, we'll make the persistence issue irrelevant rather than falling back to what we consider outdated tech...