[ingvar77]

I am under impression people are still actively using MQs but it’s just become a commodity and not as exciting as it was. I think two major cases - you need to do something asynchronous and in specific order. Simple example from past project: in a workflow/process management app (task manager on steroids) there’s a group of tasks (branch) that can be completed by multiple people in any order. When all tasks are done we have to mark the whole branch as completed and move workflow further. Many instances of the workflow are running at same time. Logic is much simpler to implement when you process all task completions within same workflow instance in order, but from different instances in parallel. It’s also much easier to provide close to realtime experience to users - when user clicks on a checkbox task is shown completed instantly as well as other effects- next task becomes active, branch shown as completed, whole workflow is shown as completed etc.