[grinich]

This is one of the key reasons we built Inbox, which is a new platform for building apps on top of the massive email system.

https://www.inboxapp.com/

The folks from Threadable are working on great stuff too, and a good example of how you can build a new experience leveraging an existing system.

[diafygi]

I'm a bit confused about Inbox. Is it a SaaS or installed program?

[coryl]

Email API's for developers.