I see that askbot supports djcelery, but what are the use cases? In what situations would djcelery be useful in the QA domain?
Celery is used for sending emails.
Celery could be useful if you have a lot of users subscribed to notifications and for sites with medium or high traffic.
If your site is small you can live well without it. :-)
More specifically - celery sends instant notifications about changes in the posts asynchronously, so that the user who made the post/edit would not have to wait to see the result until all the messages are sent out. In the future we might use celery for other potentially time consuming tasks.
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