It was only yesterday that news broke out that Microsoft might be working on a new email experiment simply called Flow. Now, we're getting some more details as well as some masked screenshots. This e-mail that isn't e-mail app doesn't resemble e-mail at all but behaves like a chat app. And now it seems that form really does follow function. That said, it's simply a wolf in sheep's clothing, so to speak, with the e-mail-centric Exchange server said to be the muscle behind Flow, at least in this testing phase.