USER ANNOTATED FEEDBACK

Techniques are disclosed for a bi-directional notification service. The techniques disclosed herein notify a user of an application in real-time based on a context of the application. A given notification may require a particular context before the notification can be presented to the user. The notification service also provides a channel for a user to provide feedback regarding the application. Multiple users may submit feedback messages each of which are enriched with contextual information related to the application at the time the message is submitted. Each feedback message is assigned to a category based on the content of the feedback message and contextual information of the notification. A heat map may be generated to visualize a number of feedback messages associated with one or more categories.