Flow, too, sounds like it would be faster to use than regular Outlook email, and would give Microsoft an entry point into the increasingly crowded chat app market.

It may not be your go-to flow chart app for most things, but it is actually a usable tool—especially when you can't work with images—and it's a lot more fun. ASCIIFlow sprite-chat-bubble ...

It looks as if Microsoft is on the verge of launching a communications app called Flow, that makes messages appear in a chat-app format although in reality it operates via email.

Microsoft appears to be building an app for real-time conversations called Flow, which will likely debut on the iPhone, ... Skype Qik, a video chat app for Android, ...

Microsoft appears to be building an app for fast, light-weight, real-time conversations called Flow, which is likely to debut on iPhone, according to leaked information.

An email leak from Microsoft points to the company testing a new Outlook-based app for the iPhone called Flow, which looks to be a lightweight version of the main Outlook client.