Chat possibles:
* DFW iteration
* JSON API
* Page / menu UI merge
* Collaborative post editing - WebRTC?
* Featured content (perhaps from 2014)
* Widget overload when there are too many - sane-widget plugin
* Real-time preview / front-end editing
* Signup and setup process
* In-dash help
* Global turn off comments
* Content block post formats / WYSIWYG
* Dashboard iteration
* Infinite scroll of paginated list tables
* Media iteration
* Customizer iteration
* Image / media editing
* Revisions iteration
* Edit flow - http://wordpress.org/plugins/edit-flow/
* Simple Page ordering