What the difference between Azure Event and Azure Message Service.

Event vs Message Service

## Difference Between Publish
The publishers of the event has no exception about how the events to be  handled. Only the consumer of the events have the decision.
Message is different with that, publishers of message has an exception about how the consumer handle those messages. There have a contract between publisher and consumer. For example, publisher send a mesage with raw data and except the consumer to create a file from that data and send a response when the work is done.

## Comparsion Of Services
|Service|Purpose|Type|When to use|
|-|-|-|-|
|Event Grid|Reactive programming|Event distribution(discrete)|React to status changes|
|Event Hubs|Big data pipeline|Event streaming(series)|Telemetry and distributed data streaming|
|Service bus|High-value enterprise messaging|message|order processing and financial transactions|